Do you fill up the kettle after use?
Posted by raben-herz@reddit | AskUK | View on Reddit | 325 comments
When I lived with my parents, it'd really annoy my stepfather if I didn't fill the kettle right back up to the top after making myself a cup of tea. I always thought this was a bit of a waste of electricity.
There were four of us, so sometimes we'd all have a hot drink at the same time, but we'd also just make induvidual drinks throughout the day.
Are you a "kettle full" or "fill as needed" sort of household?
HotSpacewasajerk@reddit
I'm team fill the kettle when you're done and put it on, but in my household its legitimately needed as we've got one who will just drink hot water plain (even takes the kettle to bed which is legitimately infuriating) and the other two of us who refill a cup as soon as it's empty. It's extremely rare that a kettle of water gets boiled more than once because it sat for long enough to get cold.
In workplaces, I think its just common courtesy to refill and boil as there is probably enough traffic to warrant it and it saves everyone time.
That all being said, I live on 110v nowadays, so it legitimately takes for fucking ever to boil water compared to back home.
A-Llama-Snackbar@reddit
Fill as much as I need, empty as soon as I'm done. Portsmouth water is unforgiving.
sar_tr@reddit
Top tip... Buy some citric acid, put a few scoops is a full kettle, boil it and behold, your kettle looks like new.
RegularHovercraft@reddit
Ditto white vinegar. You can resue the vinegar dozens of times. Acid eats calcium carbonate.
kazman@reddit
Just add vinegar to water and boil it?
RegularHovercraft@reddit
No, empty the kettle. Add white vinegar. Leave for 20 mins (or even less in the kettle is warm). It will eat all the calcium carbonate. Pour the vinegar back in the vinegar bottle. I have tried boiling, but vinegar has a far lower boiling temp that water. I wouldn't bother. It doesn't need it.
If you use vinegar for other stuff have a separate bottle for this, but you can resuse it loads. Bottle of white vinegar is cheapy-cheap.
gmankev@reddit
Does it not leave a vineagry taste
HotSpacewasajerk@reddit
I rinse it and then boil a kettle in it and dump that out too, never tasted vinegar.
RegularHovercraft@reddit
I rinse it after cleaning it.
mattcannon2@reddit
White/pickling vinegar, not malt or balsamic
1Moment2Acrobatic@reddit
Yes, I do about 50:50.
Glum_And_Merry@reddit
i never clocked you could just reuse the vinegar/water mix! will do so from now on!
RegularHovercraft@reddit
Empty kettle. Use it neat. Pour it back in the bottle.
Glum_And_Merry@reddit
life changing, really. No more buying white wine vinegar just for the kettle if I can reuse
WanderWomble@reddit
Plain white vinegar, not white wine vinegar 😆. It may also be known as distilled vinegar.
https://www.asda.com/groceries/product/7674627
I personally use citric acid from Amazon
Glum_And_Merry@reddit
i was thinking white vinegar but had wine on my mind, my bad!! its been a gnarly Tuesday
WanderWomble@reddit
I'm sorry. I'd suggest applying the wine to yourself orally and the vinegar to your kettle 😆
RegularHovercraft@reddit
Glad to hear this. More merry than glum now, I hope. 😄
CocoRufus@reddit
Me neither I can only descale my kettle with citric acid or white vinegar. Never thought about reusing the vinegar. Doh 😳
justsomerabbit@reddit
Leave it overnight for when you really need it.
And then forget about it the next day and enjoy a fantastic morning. Been there, done that.
Glittering_Vast938@reddit
Oooh thanks ! I bought some citric acid to make homemade Andrew’s liver salts.
Clear-Security-Risk@reddit
Same in Reading. Made of chalk
A-Llama-Snackbar@reddit
Who needs Rennie when you've got tap water 🤷♂️
VodkaMargarine@reddit
(Laughs in Yorkshire)
Majestic_Matt_459@reddit
You laugh but in Yorkshire you would boil exactly the amount of water needed. Over a candle. That you got free ;)
BuncleCar@reddit
Reminds me of Peter Butterworth boiling a kettle over a candle in his TV programme while he told tales; a very long time ago :)
Majestic_Matt_459@reddit
My Mum’s from Yorkshire. Many in family called Bottomley. I love a Yorkshire surname.
Also I’m Sir Len Huttons great great (great?) grandson and in related to Ray Illingworth. Couldn’t play cricket to save my life
Lower-Let7075@reddit
Pudsey or Farsley maybe ?
Majestic_Matt_459@reddit
Pudesy lol - so Mum went to school at the Moravian school there (where i think Diana Rigg also went) - beautiful - my Aunt - Audrey Smith - had her funeral at the Church there - my Uncle was president of Pusey St Lawrence Cricket Club - Richard Smith - and his son Timothy Smith (my cousin) is still quite involved with the club - in fact my Aunties ashes were scattered there - and I have Cousins who still live in Pudsey - I also have family on that side from Bradford and Ilkley - I live in Manchester - I'll never forget telling my Mum i was moving there and she said in a tone like i was going to kill someone "Why would you want to mopve there?" lol x x x
Lower-Let7075@reddit
Interesting . I lived in pudsey for a few years , now in idle across the border ! . My dad was at the same school as Ray Illingworth in Farsley . I think the school you mentioned Fulneck closed awhile back .
Majestic_Matt_459@reddit
Oh I didn't know the school had closed - that's sad - i went to a theatre show in the hall at the settlement last year - was fab x It's such a beautiful little part of Pudsey/Fulneck
Clear-Security-Risk@reddit
Use a Kelly Kettle, more efficient. No free heat to the universe
Constant-Estate3065@reddit
There are parts of Yorkshire with hard water. That’s why Yorkshire tea do a hard water tea bag.
fothergillfuckup@reddit
Other side of the pennines?
Glittering_Vast938@reddit
Absolutely! Takes ages to get a lather on my sponge.
PeterJamesUK@reddit
Chuckles in Cheshire
A-Llama-Snackbar@reddit
I dream of the days I lived in Lancashire, until I remember it was Oldham and suddenly the water situation isn't so bad.
sega20@reddit
Same. I don’t fancy chewing chalky bits whilst drinking tea.
fothergillfuckup@reddit
Our Manchester water comes from the Lake District! It's great.
Cuznatch@reddit
Yep, same in Norfolk too. It's good for the sink to have a plug of freshly Boiled water to keep things flowing too.
bibbiddybobbidyboo@reddit
I don’t fill it but I ensure it has the minimum amount in which I empty and fill with fresh water if it’s been a while.
The reason being my housemate turned an empty kettle on thinking it had water in it and melted the inside.
Quaser_8386@reddit
Here in Lincolnshire,, the water is very hard. We filter tap water before boiling.
I usually fill the kettle half full, boil, make a mug of tea and a coffee, refill the kettle from the water filter jug, then refill the jug.
Helps a lot, but even though it's filtered, limescale still gets through. Thanks to those of you suggesting using white vinegar to clean.
Violet351@reddit
No, I don’t want it sitting there for ages. I empty it and refill it before using it
UnderstandingFar6589@reddit
This - ‘fresh’ water (despite it being sat in the tap and pipework for just as long hahaha).
But also- minimum amount - anything more is a waste of energy and also takes longer to boil!
Growing up we had an Aga so that had permanent hot water in a kettle on the chimney though
AvatarIII@reddit
That's why you run the tap for a few seconds first, always.
IAmLaureline@reddit
You only need to do this when you have been away for a few days or more.
AvatarIII@reddit
The water in the pipes is all gross and room temperature though, you gotta get that deep cold stuff.
AgileInitial5987@reddit
Tap water is oxygenated when you run it. Better taste and makes better brews. Scientific FACT.
-adult-swim-@reddit
Boiling will completely remove the oxygen from the water. You can oxygenated the brewed tea by pouring it from higher up or other such things, but there's little to no oxygen in it once it's boiled.
rabid-fox@reddit
So it turns into hydrogen?
-adult-swim-@reddit
Don't you notice the small explosions?
AgileInitial5987@reddit
It doesn’t completely remove all the oxygen, which is why you use “fresh” water instead of reboiled water. But there’s enough to improve the flavour.
fothergillfuckup@reddit
The water in the tap is sealed though, not exposed to air, dust, flies, etc?
_Cridders_@reddit
Yes it achieves nothing other than maybe coming out a bit colder. It's just water sat in pipes all the way back.
allofthelights@reddit
Call my crazy but I trust London city pipes more than whatever hopes and dreams pipes were built with in any house built before 1980
V8boyo@reddit
I've been wondering about this ever since my new kettle has a temperature display. If you fill straight from the tap it's 12 degrees and then takes the energy to get it up to 100. If I fill it up and then want another one an hour later it's still 50 degrees so takes less time and energy to boil. Even a couple of hours later it's 35 degrees.
UnderstandingFar6589@reddit
You’ve already but the energy in on the first boil. The cooling results in heating of your house by heat transfer through the kettle to the local air. electric element heating like a kettle is only ever 100% efficient at best, unlike a heat pump which can higher still by ‘borrowing’ The heat from outside the system and moving it inside. Electrical heating is often more expensive than other forms of heating too per unit of heat produced.
V8boyo@reddit
Yes but how much more energy is needed to boil just a cup full from 12 to 100 each time you want a cup? Rather than three cup fulls from 50 to 100. I'm sure I did this in college but that was many years ago.
doegrey@reddit
You run the tap for a few seconds to clear the taps.
UnderstandingFar6589@reddit
Yep, so it gets replaced woth ‘old’ water that’s been sat in a lake. I guess it made more sense when we had lead pipes?
herpaderpa123217372@reddit
Water in the house taps is usually warmer than the water in the mains pipes and colder water holds more dissolved gasses. Also when you put the water into your kettle it is also getting aerated which dissolves more gasses. Boiling water loses a lot of the dissolved gasses in it which affects the flavour of your brew. Boiling will remove nearly all the gasses I'm the water which is why you need as much as possible in the water before boiling.
Tuarangi@reddit
Boiling water has essentially zero dissolved oxygen in it, it doesn't matter if you start with ice in your kettle, when you pour at 100c there is no dissolved oxygen left in it. It's why reboiling water has no effect on taste outside of hard water areas where it concentrates the minerals
LoveBeBrave@reddit
You’d have to run it for a couple of hours to clear all the water that’s been sitting in pipes.
Pipes go all the way to the reservoir.
Disgruntled__Goat@reddit
I empty mine in the morning since it’s been sitting for 10+ hours by then. But if you need to empty it every time, only an hour or two later, you probably have something wrong with your water.
VodkaMargarine@reddit
Yep, I don't want lazy water in my tea.
RelationshipLife6739@reddit
Scotty T pissed in my kettle
Organic_Reporter@reddit
I partially refill after using so the residual heat can warm the water a bit and it won't take as long to boil next time.
TheGreenPangolin@reddit
We fill the kettle after use, but only to the minimum level, not to the top. Just so it doesn't boil dry if you accidentally knock it on without realising. Even with automatic cut offs, a boil dry still means the element isn't going to last as long.
hellothere56734182@reddit
Absolutely not.
I grew up in a hard water zone and so it is instilled into me that you empty the kettle before use then fill it up jist a bit more than you need. Even though I now live with soft water, I still have to empty the kettle before use.
One of my housemates at uni likes to leave a tiny bit in the bottom so that if the kettle is accidentally switched on, the contents boils and switches it off rather than dry boiling the kettle, which I understand even though modern kettles protect against this.
NLFG@reddit
...what?
Fresh water for every brew, always
EstablishmentNo7239@reddit
Your stepfather is unusual. The time he saves on not filling the kettle is more than wasted by the additional time it will take to boil - not to mention the rest of the good points made by other commenters below.
Clothes_Chair_Ghost@reddit
I fill the kettle about half way. Is about 3 uses till it reaches minimum level then I pour the leftover water down the sink right after it’s been used for a boil pour down the drain then I refill half way with fresh water.
Ennochie@reddit
100% fill as needed. Needs to be fresh water.
WildsmithRising@reddit
Hell no.
When I make a cup of tea I pour a cup full of water into the kettle, boil it, and fill my cup.
When I need the kettle for anything else I put the appropriate amount of water until the kettle then boil it.
Filling it to the top each time you finish with it is not only wasteful of electricity, it also means that people who use the kettle after you waste their time waiting for it to boil, and end up with a stale cup of tea. Water which is repeatedly boiled loses oxygen, which makes tea taste nasty.
MrSpud45@reddit
Not normally - only have a cuppa in the morning from a full kettle and use the rest of the water while still hot to wash up the few items of cutlery and plates that I use.
allyearswift@reddit
I’m a ‘lives in hard water area’ kinda person. Not filling the kettle without need.
papercut2008uk@reddit
Yes, Every time because my brother is staying here and he likes to fill the kettle all the way to the top for 1 cup of tea.
Then he wonders why his monthly gas+electricity bill used to be over £500.
BarryTownCouncil@reddit
Waste of electricity and time. Ridiculous. Fill as needed. Roughly. Ish.
Outrageous_Shake2926@reddit
I half fill the kettle. I don't fill it up again until it goes below the minimum fill level.
StereoMushroom@reddit
I never understood why energy saving advice includes "don't boil 1.5L of water every time you make a cup of tea" like anyone needs to be told that. Interesting to learn that people do indeed need to be told that! I'd have thought the 5 minute wait to reach a boiler would be reason enough not to do this!
elogram@reddit
I have one of those instant hot cup machines at home. Just fill out the filtered water reservoir at the back when it gets low and that’s that. Everyone can get themselves a cup whenever they want, no wasted electricity
Wild-Price-9325@reddit
Fill as needed. When my parents visit I always find the kettle way fuller than it needs to be. Bit annoying. Total waste of time and energy to boil a nearly full kettle for one cuppa.
Impossible_Volume811@reddit
I’m in a hard water area so I don’t really want to boil the same water over and over. It increases the mineral content of the tea water and adds limescale to the kettle faster.
I try to boil only what’s needed each time plus a little bit to swill out the kettle.
EclipseHERO@reddit
Not unless it's below halfway.
ARobertNotABob@reddit
Exacerbated by today's energy costs, I have no desire to boil a full kettle for the sake of a cuppa's need.
Top up when and to what you need, that's the way.
MathematicianSad8487@reddit
I only fill up what I need before I use it . Waste of electricity to boil a whole kettle .
_FreddieLovesDelilah@reddit
I refill to enough for just the next person. My dad fills it like half way just one cup and then wonders why the elec bill is so high.
Boycott-all-Rats@reddit
Who boils a full kettle???
flohara@reddit
I'm a barista and at work we do. But we serve that amount in the next 10 minutes.
Unless you have 30 pensioners lined up, there's zero need.
lapsedPacifist5@reddit
Boillionares, apparently
Fit_Iron8824@reddit
I leave the minimum in so no one boils it dry without looking. But I tip that out for fresh when I'm making.
shokalion@reddit
I tend to keep it nearly empty unless I need to boil a load of water.
I'll normally chuck a mugful in and boil that. Only takes like 15 seconds to boil then.
Junior_Tradition7958@reddit
No. I just fill the amount I need and use it.
Hefty_Anywhere_8537@reddit
Boil what you need and nothing more!
No-Relief4861@reddit
So, I used to, THEN!!! One of my colleagues went "ugh someone keeps filling the kettle up all the way, why ??" Because part of going to the kitchen for a brew, for her, was getting a little breather whilst waiting for the kettle to boil, On the other hand, one of my Mum's colleagues is SO up in arms about this that she's put a sign up demanding that people fill it up after use.
So !?!? I fear there is no right answer. As British culture seems to say,,,, no matter what to do, you're never polite enough/ having enough manners lmao
PolarLocalCallingSvc@reddit
No, that makes no sense to me.
I put enough water in the kettle for the drinks I'm making.
If you always fill it up after use aren't you just boiling a full kettle worth of water even when you're only making one brew?
LittleSadRufus@reddit
For my first drink of the day I put in enough for the drinks I'm making now plus the top up drinks I know I'll be making in 20 minutes. That way the second boil only needs about 30 seconds, saving me much needed time between caffeine hits.
Alternative_Head_416@reddit
Me too.
PositivelyAcademical@reddit
Fill as needed. There are some uses for boiled then cooled water (e.g. making sinus rinse solution) where tap water isn’t a safe substitute.
theorem_llama@reddit
Your stepfather is a moron.
zoppaTheDim@reddit
Always
You’re a monster.
Nothing annoys me like being half awake , clicking on the kettle and only later realizing it was half full. Throws my timing off.
Evolutionary_u-turn@reddit
I fill to the point I will probably need next time, tea is a regular thing here, almost constant during the day.
I hate to leave it empty in case it turns on and boils dry and catches fire.
I am aware this may not be rational.
RamblingManUK@reddit
Fill as needed.
Just so long I don't nick the water my wife has just boiled to make her morning tea. This can result in much grumping.
JesterRace1994@reddit
Always.
Chemical-Mouse-9903@reddit
You should always fill as needed as you are correct it’s a waste of electricity to boil a full kettle for just one brew.
The other poster said they empty it if it’s got yesterdays water in, this is good practice as it helps prevent the risk of legionnaires disease
My father in law was very much a fill the kettle overtime person but he got dementia and he slowly started filling the kettle more and more to overflowing, to the point I got fed up of burning my hand and got a kettle that only boils a single cup at a time but has a large reservoir, this good strike a balance between you and your stepfather, I got one that only dispensed the same amount every time, but Xiaomi do one that can have the volume and temperature set at varying settings allowing for much more flexibility and we’re looking to upgrade to that one
Tuarangi@reddit
Legionnaires disease doesn't happen in homes through tap water
Chemical-Mouse-9903@reddit
It shouldn’t do, because normally the tap is run regularly, however I’m talking about water that is allowed to stand in a kettle, that is where the risk is
Side not, due to unique tenancy of our property our water is tested for legionnaires every 6 months, as part of that we have been told that we have to run our outdoor tap once a week to reduce the risk
Tuarangi@reddit
Legionnaires comes from breathing in the airborne particles from things like hot tubs, air con units etc, you can't get it from taps
Chemical-Mouse-9903@reddit
If you couldn’t just get it from taps then the council wouldn’t have to send someone round ever 6 months to my house (they also have to go to properties that are not in regular use to run the taps once a week), your wrong on the temps as you hot water supply has to be hotter than what you say
For more detail check out the contractor who my council use
https://integrated-water.co.uk/water-hygiene/
Tuarangi@reddit
I think you may be misunderstanding a few things here
Legionnaires Disease is a lung disease spread through breathing in water droplets hence it's spread through air con units as an example - it was named after a load of veterans died in a hotel traced to stagnant water spread through the ducts
https://www.nhs.uk/conditions/legionnaires-disease/
You categorically cannot get it from drinking water nor from it being in the kettle or making tea.
I am not wrong on the temperaturea, it is a fact that the bacteria are dormant below 20c and are killed above 60c hence it's HSE guidance to ensure water is stored below 20c and hot water above 60c to prevent the spread.
https://www.hse.gov.uk/healthservices/legionella.htm
Yes some old buildings that are unoccupied must take basic precautions because showers are not above 60c and if they have a hot tank it's not always that warm but again running the tap and drinking and water left in the kettle cannot spread it as you can't get it from drinking and boiling kills it
Mickleblade@reddit
I just make sure it's over the minimum level, just in case the on button gets knocked
DrWkk@reddit
Fill as needed every time, one cup, big batch, whatever. Better use of water and power
SpectralDinosaur@reddit
No. Don't leave your kettle sitting with water in it. This just speeds up the buildup of limescale.
stevielfc76@reddit
My dad used to kick off if we didn’t fill it up and then there was an ad for energy saving where Lennox Lewis bent the faucet up to pour water back in as it was more efficient to only boil what you need
Asuperniceguy2@reddit
Fill as needed, filling it to the top every time is crazy work, man.
ourmanflint27@reddit
In an old office i worked this was the vibe, doesn't make sense in the house.
lost-in-midgard@reddit
Yes though I couldn't tell you why. I assume I was indoctrinated to do so by my parents.
I wouldn't want to stop now though. My routine is just, flip on the kettle, not check if there's anything in it first.
Coast-Prestigious@reddit
Absolutely not. I don’t feel a kettle unless I plan on using a full kettle even then I want freshwater not water that’s been standing around potentially for an entire day - oh wait water that’s been boiled more than once . The flavour of that water will be . That seems a silly hill to die on.
perksofbeingcrafty@reddit
What do you mean fill up the kettle after use?!?!?!? What so there’s just water constantly in the kettle?? I know you’re boiling it but that’s still incredibly nasty to think about.
UniqueTart6744@reddit
Fill as needed. Filling it up after every use is a waste, I rarely need a full kettle’s worth of water.
hallerz87@reddit
No, I’m the opposite. I’ll empty the kettle and refill with fresh water before using
Rendogog@reddit
As per the 1941 guide to making good tea by the EMpire Tea Bureau "Always use Freshly Drawn Water"
Dutch_Slim@reddit
Boil what I need, but refill to that level as soon as I empty it. Do not want to be caught short with an empty kettle if the water goes off.
Yes, it has been experienced!
LemmysCodPiece@reddit
I have setup my kettle on Google Home, so I always keep it half full and ready to go.
Dead_Bones001@reddit
I don't have money to burn so I just heat up what I need.
captainsittingduck@reddit
Just fill it when required to the level that's required. To boil full every time is madness. Slow and expensive.
Therashser@reddit
I fill for what I need and empty any remnants to stop scale build up.
Classic-Scarcity-804@reddit
I tend to empty the kettle before refilling it anyway. A brew tastes a bit weird if the water has been boiled more than once.
Spiritual_Tie3348@reddit
No I always put my water in just before, I hate boiling more than I need to.
ReynoldsHouseOfShred@reddit
Fill as needed. My old man is fill it to the top.
nacnud_uk@reddit
Fill and boil, in prep for the next time. When I say "fill", I mean, double as much as you're kind of likely to use.
VeroniqueUK@reddit
I always leave some water in just in case it gets switched on accidentally. I never fill to the top, too wasteful
onionsofwar@reddit
So you have to keep boiling a full kettle every time? That's nonsense. I put the minimum I can so that it boils quicker but that I don't pour the limescaley last bit in my cup.
Squeepynips@reddit
I fill it to the top when there's not enough left for at least one cup of tea, but I live in an area with pretty good water and my house absolutely tears through hot drinks so it's rarely sitting there for long.
Not-That_Girl@reddit
To the top? Who does that! I live alone though so its a bit different for me. I only fill for one or two cups max, until I have company.
txe4@reddit
Kettle gets refilled to the "enough for one cup of tea" level after each use, but not switched on again.
The reason for this is that cooling the remaining water in the kettle reduces steam/condensation - it's a habit from living in permadamp houses.
terryjuicelawson@reddit
I can only imagine wanting to draw fresh water and boil as much as I need so I empty it and leave it.
jack_watson97@reddit
Your stepfather is a prat
raben-herz@reddit (OP)
I don't disagree
B0-Katan@reddit
Fill as needed. Though part of that is because we have lead in our water and have to filter it first, which takes a bit and I'm lazy
eilb3@reddit
Wait are you emptying first or filling up what’s already in there? Either way, what a waste and kind of gross leaving water just sitting waiting in the kettle.
I empty the kettle before using it every time and only fill up just beyond what I think I’ll need.
eggard_stark@reddit
lol my step farther also said the same. Would go absolutely mental at me and only me for not filling it
Up.
I then one day questioned his logic about the wasting electricity. If I fill the kettle to the top, and a single person wants a drink, they’re then waisting electricity by boiling much more water than required for one person.
He then had a go at me for arguing and answering back. Step dads can just be massive cunts.
ceciem2100@reddit
Fill as needed, I don't want to boil a FULL kettle every time I want just a cuppa, that's nuts. My mate fills mine all the way up when he's over, thinking he's being 'helpful' I've tried explaining to him how it takes LONGER to boil when full, and he just stares at me like the concept is too complex.
veryblocky@reddit
No. I live alone, and I always fill the kettle before I use it. Never after
TawnyTeaTowel@reddit
Boiling a full kettle every time is insanity.
DanFarrell98@reddit
This never makes sense to me. You waste time and money heating up more water than you need only for it to cool down by the time you need it again. Its really not that much effort to just put as much water as you need in before you boil it
PossibleGlad7290@reddit
I always empty and refill before boiling so I wouldn’t be doing that.
Outside-Resist4688@reddit
I lived with my grandparents and my grandad was exactly the same
FreddiesNightmare65@reddit
My hubby is one of these who overfills the kettle. I'm a minimum amount person. I have emptied the remaining boiled water into a flask for my coffee throughout the day rather than let it go cold.
Scooob-e-dooo8158@reddit
No, but then I live alone so it doesn't matter. Nobody to tell me off. 😂
Callis_tow@reddit
I empty the kettle and fill with an appropriate amount of water when I'm going to make a cuppa. I live in a hard water area, so re boiling water is a cardinal sin in my house
Icy_Mixture1482@reddit
My elderly mum does this. I live abroad and when I came back for the first time to find the kettle regularly full, I was confused.
I thought it might be an early sign of dementia — like she was boiling water to make a drink and forgetting about.
CreativeAdeptness477@reddit
Even in today's economy it doesn't 'waste' enough electricity to matter on a household level. Either way is fine. Do what you want.
AdEmbarrassed3066@reddit
I do (or did, at my previous address) sometimes. The local water company would add additional chlorine to water in certain weather conditions and you could taste it in the tea, unless the water had sat for a while, preferably overnight. Obviously, something like a Britta water filter would sort that out.
Rough-Foundation9208@reddit
No, I only fill it with what I'm using. Reboiled water tastes yuk.
kernowgringo@reddit
I tend to fill it before I use it
iamabigtree@reddit
Filling a kettle to the top is stupid in the extreme. Only boil what you need, more often than not it's at the minimum line.
I have a glass kettle so to keep it looking good I tend to empty it once the water has cooled.
Odd-Swing-2025@reddit
I refill it after use as high as I need.
Unusefulness01@reddit
How do you know how high you will need it the next time ahead of time?
Odd-Swing-2025@reddit
I live with my fiance and he doesn't drink tea or coffee. I fill it up for one cup of tea's worth of water. It's a holdover from when I lived with my family and would refill te empty kettle after using it as a courtesy for whoever inevitably wanted a tea or coffee later.
Additional-Lion6969@reddit
Yes, if the water goes off, Ive got a kettle of water still & a filter jug as well
IndividualMaize1090@reddit
In a previous life (over 20 years ago now), I trained people how to make tea in posh hotels when working for a tea company. When water boils, dissolved air escapes, including oxygen. Fresh water has a bit more oxygen in it, which can make tea taste slightly better. Reboiled water has less, so the tea can taste a bit flatter.
RaggedToothRat@reddit
I didn't know the science behind it before I read your comment, but a year or so ago someone told me that reboiled water tastes worse in tea. Now that I've noticed it, I can't un-notice it and don't enjoy a cuppa at my weekly club as much as I used to.
Tuarangi@reddit
It's a placebo outside of hard water areas, boiling water cannot hold any dissolved oxygen, adding fresh water starts you off with more but it is all lost again by the time the water boils so it's entirely redundant
Tuarangi@reddit
This is unfortunately completely wrong scientifically, boiling water cannot hold dissolved oxygen. At 0c there is about 15ppm dissolved oxygen, it's 5ppm at just 50c and is basically 0ppm at 100c. Adding fresh water makes literally no difference as the oxygen is still boiled away from the fresh stuff. The difference in taste comes from hard water areas where reboiling just means you have more minerals concentrated in a lesser amount of water
LoveBeBrave@reddit
When water cools, air redissolves, including oxygen.
The difference in oxygen content is minimal.
BingoBob22@reddit
I never knew that! This is interesting...
Glittering_Stock3475@reddit
I just fill it up the amount I need. Why waste electricity boiling water that is just going to sit there and get cold, it also tak s longer to boil
fothergillfuckup@reddit
I just use as much fresh water, from the tap, as I need for that drink?
ffwillis@reddit
As others have said, filling it is huge waste of electricity, and takes much longer to boil. I’ll make sure there’s a bit in it just in case someone hits the switch by accident, but definitely not full.
Though I also don’t understand why quite a few in this thread are insisting on fresh water every time. If it’d been sitting for days then fine, but with normal use there’s not going to be anything wrong with it. Maybe this is a hard water issue, I don’t know.
Tuarangi@reddit
It's mostly hard water areas that need it but the myth persists that you need fresh water to add oxygen to make tea taste better, people saying that seem unaware that there is essentially zero dissolved oxygen in boiling water as it cannot contain oxygen when it boils, so reboiling makes no difference. In hard water reboiling is bad as it concentrates the minerals in the water making it taste worse
Terrible-Group-9602@reddit
Only boil the exact amount of water you need
Scasne@reddit
Yes but that's only when I've finished it and only top it up to enough for 1-2 cups because my old man is an idiot who never checks before turning it on so boiling the bloody thing dry.
Glittering_Vast938@reddit
Fill as need!
I imagine your dad was doing it so the water wasn’t ice cold from the tap and therefore cost more to heat.
OurSeepyD@reddit
I hate people get annoyed that you don't follow their arbitrary, irrational rules.
raben-herz@reddit (OP)
I also don't particularly like my stepfather,, so yeah
OurSeepyD@reddit
It absolutely sucks having a stepfather (or stepmother) that you don't get along with. Massive power imbalance. I also had one that was a dickhead.
TalynRahl@reddit
Fill as needed, always. Not only does it save electricity it also saves TIME. Why would I heat up a full kettle to make one cup?
FreeBogwoppits@reddit
No, but my late father was furious if he went to the kettle and there was no water in it.
My mother used to 'just pop into the kitchen' after any of us kids used the kettle l, and hurriedly filled it back up before he noticed.
Intruder313@reddit
No, there’s only downsides to doing so.
Fill water to the amount you need when it’s time to actually use it.
LadyInAllPower@reddit
I only fill up just enough for a cup and it boils nice and quickly and saves energy
DigitalStefan@reddit
No. Limescale comes from water. Why would I want my kettle to be full of water and limescale more often than it needed to be?
tobotic@reddit
It's not clear from your post, but when you say "fill the kettle" do you mean "fill and re-boil the kettle" or literally just fill it so that it's ready for the next boil?
The former is definitely a waste of energy, but I can kind of get behind the latter.
WildWanderingRedHead@reddit
We don't find how and when the kettle is filled to be a life priority to be honest. We are more concerned with the rising cost of tea leaves.
f23n09fnu0w@reddit
The opposite. Kettle is always left empty. Then I fill up the cup and pour it into the kettle, so I'm only heating up what's needed. They I have a super fast cuppa.
DamoclesBDA@reddit
If you boil a full kettle every time you're wasting electricity.
Do you want the seas to rise and us all end up in Waterworld with Kevin Costner?
tobotic@reddit
I don't even want to watch that movie again, let alone live it.
Lt_Muffintoes@reddit
Am I Kevin costner in this scenario?
DamoclesBDA@reddit
No. In a bizarre twist you're Kevin Bacon.
Extreme-Dream-2759@reddit
only if you have mutated and now have gills
SGRiggall@reddit
At this point it’s sounding a promising option
Imperterritus0907@reddit
I pour at least a bit to to cover the bottom of the kettle, if you leave it dry/hot you get more limescale stuck.
CheekMaleficent3654@reddit
Usually fill it about half full. Fill as needed.
Key_Produce2617@reddit
No. Always fresh and exactly how much I’ll use.
EchoesOfZhivago@reddit
I fill it up just in case it accidentally gets the switch knocked in our small kitchen.
Ok_Significance4583@reddit
Yeah this is a massive waste of electricity lol. Always aim to boil what you need
First_Ingenuity_8141@reddit
Kettle behaviour weirdly reveals household psychology. Some people optimise for readiness and routine while others optimise for efficiency and convenience. Neither side thinks they are making a conscious choice either. They just assume their version is normal and everyone else is doing it wrong.
OrangeBeast01@reddit
Not true. I fill ky kettle to the top, boil it, forget, boil it again, pour out my 1 cup, empty kettle.
I know I'm doing it wrong. I live beyond the realms of the law, beyond normal.
R2-Scotia@reddit
Living in the USA will make you an expert on filling it just right, takes forever to boil on 120V
Jacktheforkie@reddit
No, I put it on the base and switch the socket on ff, that way whoever’s using it can select the water amount they need, I typically use 500ml and my dad uses 1.7l and mum a variable amount
Affectionate-Owl9594@reddit
I live in a very hard water area, if I refilled after every use I’d be chewing every cup of tea
Enough_Response@reddit
how do you not own a water softener? get some SALT in your life!
Affectionate-Owl9594@reddit
I do but not for drinking water
Amazing-Jury-6886@reddit
You don't want to drink softened water.
Sage-Freke-@reddit
We have a kettle with a built in filter. Still get limescale, but it takes a much longer time to build up.
Enough_Response@reddit
filters are scams for hard water, it does nothing. You need salt to remove the limescale
redsquizza@reddit
It must do something, tea without filter at my office has scum on the top which stains the mug all the way down.
Tea at home with a filter removes that scum and never leaves a stain on the mug.
Rubberfootman@reddit
Empty and refill. You don’t want to make tea with old water.
Sweet_Focus6377@reddit
The old water has been boiled, unless it's days old it is entirely safe
Rubberfootman@reddit
I trust it to be safe, but it is going to taste mustier as it ages.
Sweet_Focus6377@reddit
The longest mine is left overnight from evening meal to breakfast.
techbear72@reddit
Old water? All water on this planet is billions of years old. It sitting in your kettle for a couple of hours means nothing to it.
lapsedPacifist5@reddit
This is one of the things I say to people who tout homeopathy. It's weird that water never remembers being dinosaur piss, yet you think it remembers the drug you showed it.
Rubberfootman@reddit
Fill a glass with water and leave it on the side. Tomorrow fill another glass with water.
Then drink from both, and you’ll realise what I’m taking about.
dendrocalamidicus@reddit
The old water tastes better because the chlorine has evaporated off.
I have a jug specifically to let my water stand for a few hours before drinking.
Various_Building_810@reddit
Although I agree with you about the kettle etiquette, the comparison to a glass of water that sits, uncovered, in a room temperature room vs water in a kettle that is enclosed (mostly) and gets boiled before drinking is not a good one.
ChallengingKumquat@reddit
I do the same thing in the bath. I take my bath in the water that's been sat there for a day or so, then when I'm finished bathing, I drain the water and refill the bathtub, so it's all ready for my next bath in a day or two.
Constant-Estate3065@reddit
Freshly drawn water is best for a delicious beverage. And only use the amount you need in order to save water and energy.
Never use water that’s already been boiled. That’s a one way ticket to disappointing beverage town.
redsquizza@reddit
No.
For tea, it's best to use fresh tap water rather than water that's been sitting for a while.
I only try and boil what I need as well, so whilst in the course of a morning I might add fresh water to a little bit of used water for another cuppa, if I was starting again on a new day, I'd first dump out anything left and have completely fresh.
I'd probably also dump the morning's water if I were to have a hot drink in the evening but I only tend to have tea/coffee in the morning or early afternoon.
davehemm@reddit
I use just the right amount for a mug plus a little bit more, wife fills to the brim regardless of how much she wants to use.
purehallion@reddit
my mum threw a spoon at me once because i was sitting at the table having a coffee when she got up and I, like yourself, had emptied the kettle after i had used it.
Swimming_Possible_68@reddit
Definitely fill as needed!
Why boil a full kettle, wasting time and electricity, of I'm only doing a cup of 2 of tea?
raulmonkey@reddit
I worked in kitchens for many years, we always put at least a mugs worth of water in the kettle afterwards, in case someone caught the on switch by accident when it's empty.
Over-Language2599@reddit
I leave it off the base for the same reason, although I suppose one could do both.
In a workplace, a kettle is for dispensing hot water, and people have limited time for breaks. Finding a kettle that is either empty, or has cold water in it, is a waste of time. I've worked places where there is a sign telling you to fill it up and switch it on when you've finished with it, because there will be somebody else along right away wanting hot water.
stuaird1977@reddit
They have have level sensors on
Buh_Snarf@reddit
I can assure you, not all do!
CosiDuci@reddit
I think newer kettles don’t even start when there’s not any water in them. You can’t switch them on
raulmonkey@reddit
Makes sense , i was 50 last week and survived the 80s so kettles should have come a long way
PatserGrey@reddit
Not full but re-topped up to the \~2 mark after every use. There's a filter in the top of the kettle and if you'll be waiting an additional minute before you can boil it if you only top-up before use.
Etheria_system@reddit
Fill as needed. Boiling a full kettle for one cup is ridiculous - wastes electricity and wastes time as well
TRFKTA@reddit
As I live alone I don’t need to worry about others telling me how to use my kettle.
With that said, because I don’t enjoy spending loads on electricity to boil more water than I need (like OP’s step-dad), I’ll fill the kettle with just the amount I need and that’s it.
I do find it interesting however, reading some of the other replies that some boil the kettle and empty out the remnants. I imagine if you live in an area with particularly hard water and you don’t have a filter on your kettle on the spout (to catch lime build up) that that’s a fairly good idea.
NathanaelSpoon@reddit
Yes. How would there be water left over?
A whole kettle is what is needed to make a pot of tea. With loose leaves. We are not savages.
Particular-Lime1651@reddit
What the actual fuck?! The amount of energy your step dad is wasting is INSANE. IN THIS ECONOMY?! I want to have strong words with him. My old housemate used to do that, it took ages to positively enforce that habit out of them.
SceneDifferent1041@reddit
I used to buy bo.t anymore. Water costs a fortune and so does energy to heat water we don't need.
I also live in a hard water hell so my kettle would melt if I left alot of water in it overnight.
ProfessorYaffle1@reddit
I wouldn't fill it right up as thats wasteful, I do put water in so its not left empty, but enough for one mug, not up to the top.
Shadocvao@reddit
My folks do the opposite. After making a cuppa empty the kettle and dry it out with a towel.
miuipixel@reddit
I fill up enough to give me one cup of tea and fill my thermos flask.
Neat-Ostrich7135@reddit
Fresh water, the amount that's needed. Not water that's been sat in the kettle for 12 hours.
TeamPangloss@reddit
Absolutely not, the water will go stale
iloovehugecock@reddit
No, that sounds stupid. I make as much as I need and any extra gets poured down the sink to kill germs.
TheW1tchK1ng@reddit
No, I don't wanna drink old water.
mattjessop70@reddit
You do know that all water on the planet has been on the planet forever right ? There is no such thing as 'new' water. We're probably drinking dinosaur piss at best.
Time-Mode-9@reddit
Not true.
If you burn natural gas (CH4) +O2 in oxygen you get water (H2O) and CO2
TheW1tchK1ng@reddit
You realize I'm not being serious right?
mattjessop70@reddit
Sure
TheW1tchK1ng@reddit
Fuck me, must be quite stressful for you to take everything so seriously.
mattjessop70@reddit
And yet here you are getting angry at a stranger who actually agreed with you. Literally pot / kettle 🤣
mattl1698@reddit
kettle doesn't get refilled but the water filter jug does. we only use filtered water for our kettle as a way to reduce, if only slightly, any timescale build up.
Prize_Farm4951@reddit
I feel for the step father living with this clown
Time-Mode-9@reddit
I go in, I get my tea and I go out.
I ain't hanging around filling no kettle.
Ecstatic_Effective42@reddit
I have a filter kettle, so I always top it up after use. This way I don't have to wait for the water to finally make it through when I do want a cuppa.
Koda614@reddit
I use it, then refill it with enough for the next use. Totally full is a waste of time and energy.
lapsedPacifist5@reddit
No, fill as needed for the amount needed, when you need it
Sudden_Hovercraft_56@reddit
I try to make sure there is always a single cup in there at any one time.
zonked282@reddit
Why would you not only fill it unnecessarily to the top, but also hours before you need to boil it again? Odd
Aromatic_Ad4132@reddit
He's wasting electricity
YGhostRider666@reddit
Nope. I don't have a kettle.
I do however have a Quooker
SmugglersParadise@reddit
As others have said, if the kettle doesn't have enough for my use I'll top it up to what I think I need but no more.
At the office, How do I know how much the next person will need in the kettle?
Dennyisthepisslord@reddit
Yes.
I also top up the water filter jug too. Saves a job when I want my next brew.
idontlikemondays321@reddit
I always put in fresh water and only what I’ll need
fancycakelover@reddit
Same, always fresh water
fancycakelover@reddit
Fill as needed. Boiling a full kettle uses a lot of energy and in this economy it's an easy way to save money of the electric bill
Urbanyeti0@reddit
Absolutely not, you don’t boil a full kettle unless you need a full kettle that’s just a waste of time and energy/ money.
Just fill it as much as required when you need it
abracablab@reddit
I'm so stingey with the water it's often not even enough for one cup. I won't change.
sjw_7@reddit
Nope. When I go to use the kettle i just have enough water in there for whatever I need at that time. Filling it up to the top just means its going to take much longer to boil and use a lot more electricity.
Your step dad is very wasteful and I can only imagine how bad he is with other things too.
doegrey@reddit
You don’t want fresh water? I do!
If water has been sitting, it’ll get emptied and refilled.
Lost-Bridge-9027@reddit
Fill as needed. I’m not pissing about refilling it after every use!
mailywhale@reddit
No, I don’t think this is common practice
Madwife2009@reddit
Fill as needed.
BillWilberforce@reddit
I always try to fill it up just enough to make one cup (min fill line). It takes long enough to boil one cups worth of water, without it boiling a whole kettle's worth.
ExtraSeaworthiness10@reddit
When I was younger my dad made me fill up the kettle to lines to state how many cups were having.. do his nut if we boiled more water then needed.
In my own house we just fill and use.
When I visit my mum we fill the kettle after use cuz she has a self boil kettle..makes sense
WestLondonWoman73@reddit
My Mum used to say (when I lived at home) 'I'm making tea for 3, not 33'. So, fill as needed.
Spanner1993@reddit
No, boil whats necessary.
I worked with a guy that boiled the works kettle dry and melted the shit out it. Blamed the last guy for leaving it empty...
Better_Carrot_3160@reddit
This is peak stepfather-core
Different-Employ9651@reddit
Yes, except for the last one before bed. I also check and rinse the kettle in the morning.
sockeyejo@reddit
Fill as required. Empty and refill as required.
Do whatever the owner(s) of the house do for a simpler, quieter life.
For the easiest life, live alone and be an unsocial git (like me) and never have people over. Go to other people's houses, abide by their rules, help with washing up etc, go home, and sit back and relax,
JansonHawke@reddit
I bet your stepfather moaned about the electricity bill too.
AgeingMuso65@reddit
As needed each time. My mother in law can produce awful tea at great electrical expense when she’s over if she’s up before us; we get down say 15 minutes later either to water reboiled so many times it tastes like a swimming pool, or tepid stewed mugs with the tea bag still in, and there’s still enough water in the kettle for 4 more!
Logical_Strain_6165@reddit
Someone does this is the office. We don't have a culture of making rounds of brews so I'm not sure why you want to have to wait ages for it to boil, even if we aren't paying for the electric.
Saw_Boss@reddit
Because they don't want to work would be my guess.
Sweet_Focus6377@reddit
I refill the kettle just before use, with the quantity needed for that use.
That is the advice of the kettle manufacturers and energy efficiency.
Boiling more water than needed is takes more time and is wasteful of energy.
That is the advice of the kettle manufacturers and energy efficiency.
Running the elements at full temperature for longer decreases the lifespan unnecessarily - physics 101.
Send him a link to one of the energy efficiency
First_Ingenuity_8141@reddit
Fill as needed makes more sense. Boiling extra water every time just wastes electricity and takes longer for no reason.
GabberZZ@reddit
We've got one of those breville one cup kettles that just heats up one cup at a time.
MiniCale@reddit
If I remember I’ll put about a cup and a half of water in.
cdh79@reddit
Fill. I'm the only one that ensures there is enough water in after making a brew to absorb the latent heat from the coil.
Saw_Boss@reddit
No, that's dumb. You fill it with how much water you need to use.
The kettle is one of the most power hungry devices in the house.
pryonic1705@reddit
I work from home and I have a plug I can control the Alexa. Usually during the working day I will refill it with enough water for a brew and then turn it on but turn off the plug.
That was in between meeting I can ask Alexa to boil the kettle, and I can usually sneak in making a brew in between back to back meetings.
Hot_Hat_6526@reddit
We live in a hard water area so only fill it as much as needed and leave it empty until needed again
KingKhram@reddit
Just boil the water you need otherwise it's a waste of time and money
sparkly_wolf@reddit
Fill halfway after using. But thats habit as a carer because of the risk of someone with dementia coming after me and putting the kettle on without checking.
Many_Income_2212@reddit
TIL I’m insane. FR though. It’s a steel kettle and a gas fire, the process heats up that part if the house and the water is still warm by the time another cuppa is needed. At the end of the night though, that’s when it’ll rest and not be filled.
louse_yer_pints@reddit
I put in what I need then boil it so a guy I work with stresses me out with his kettle behaviour. He'll fill the kettle full, boil it and take his mug full of water out then tops off the kettle for next time. Crazy behaviour.
NestingPig@reddit
I always fill the kettle at bedtime and leave the lid up because our water is foul (North Notts). It seems to give whatever tastes bad chance to dissipate in time for the morning pot of tea. Works for me, anyway
tooskinttogotocuba@reddit
This is acceptable practice with a shared kettle in a busy office, for example, but utterly pointless and wasteful at home. People are set in their ways
Incubroz@reddit
At home, no. I want freshly boiled water each time and can taste if water has been re-boiled, it tastes like it’s come out of a hosepipe.
At work, I think we should take disciplinary action against anybody who DOESN’T refill the kettle. It’s a moderately busy office and you don’t want to pop to the kitchenette for a quick coffee and have to wait for a new kettle to boil.
Buddy-Matt@reddit
I have a Brevel one touch.
So kinda. You fill the tank a couple of times a day, and it only ever boils a single cup's worth.
The cooking/entertaining kettle gets filled as needed.
ProfessorVirtual5855@reddit
Total waste. I put enough in they for what i need
bluemoon191@reddit
I just fill for what I need and leave it empty after. My sister likes to fill it and when I was a kid it always used to annoy me. Now she lives with her partner so told me like a flex that she still boils a full kettle. I was just thinking "cool, you have to wait longer for your drink and it costs more" I don't get the flex but she isn't very bright anyway.
Prudent_Data1780@reddit
Only in winter as the water would warm slightly rather than straight out the tap and boil
lankyman-2000@reddit
Not at home but at work I do and pop back on
AffectionateJump7896@reddit
I don't know how much water the next person needs. The kettle is therefore filled for the need at the time.
techbear72@reddit
You should only boil what you need.
Boiling water takes a ton of energy, it’s likely the most energy intensive thing you do.
If you boil 2 litres of water every time you need a mug-full, you’re wasting loads of energy.
Alternative_Route@reddit
I imagine in the old days it might have been a trek to the water source, but if your kettle is near a tap it makes sense to heat just as much water as you need and no more, it saves time and electricity this way.
Morazma@reddit
"kettle full" is objectively wrong as you're wasting energy boiling water over and over that you don't use.
... and no I don't refill it after I've used it because I don't know how much water the next person needs and there's no point having the water sit there unnecessarily.
philthy_barstool@reddit
I don't fill it up after use, my wife does.
I always check the water level in the kettle before I put it on, my wife doesn't...
No-Method-mad@reddit
After having children we use what we need we boil what we need. We made baby bottles fresh in demand and ever since we all make teas and coffee the same lol pre boil enough. For coffee or 2 but never a gull kettle we just never use a full kettle EVER
krokadog@reddit
Fill as needed, to the amount actually needed. Your stepfather sounds like a mentalist, just like my own.
SwingyWingyShoes@reddit
No, if there is too much you end up pouring a lot out anyways.
HashDefTrueFalse@reddit
Fill as needed. Try to never heat water I won't use immediately. Surely you're regularly in the situation where you have to choose between wasting water by tipping it out when brewing less, or heating water you don't need to heat. I've never heard of anyone doing "kettle full" in all my years, to be honest. Sounds silly.
JC3896@reddit
To the top? No. That's gonna take too long to boil from cold later if I just want one cup. I tend to keep my kettle around 2 cups worth of water in it as I'm making hot drinks regularly and also often use it to top up water when cooking etc.
Tigweg@reddit
Kettle full is expensive time consuming insanity! I try to put exactly the necessary amount of water I need when I boil my kettle. That saves time money and reduces my environmental impact slightly
mad_saffer@reddit
I drink a lot tea. A LOT! It riles me when I am panting for a cuppa and I FIRST have to fill the kettle. And everyone else in my house drains the kettle dry and then just leaves it. For the love of all holy things, just leave enough water for ONE Cup!
Natashlaarx@reddit
I just fill it as needed but I barely have hot drinks
AnonyCass@reddit
We try to guess the exact correct amount plus want it fresh.
My parents have some weird instant boil machine that filters the water so needs to be filled when its getting empty.
Superspark76@reddit
Fill as needed but we were brought up to always make sure the water level was above the min line. Kettles didn't used to have automatic shut off and someone flicking the kettle on dry would wreck it.
Turbulent_Ad_880@reddit
How did the generation that published public service films telling us not to overfill the kettle end up bring blamed for wrecking the environment by the generation that brought us "shower bath shower"?
Intrepid_Bearz@reddit
I empty it completely so the next use has fresh water.
Kezly@reddit
Boiling a full kettle every time is a huge waste of energy. Just boil what you need.
danielsemaj@reddit
Water needed and also fresh don’t need to stale water thankyou
MoreUnadventurous@reddit
Boil what I need each time. Waste of time and electricity otherwise.
prankishink@reddit
Refill after using so no-one can refuse the 'just flick the kettle on on your way past' request
Intelligent-Fox-8343@reddit
I empty after every use then refill when needed.
thewearisomeMachine@reddit
Empty and fill just a little more than I need, each time
FornyHucker22@reddit
I usually empty it before use if it has yesterdays water in 😅
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