this post was submitted on 07 May 2026
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that's not a waste of energy, but i bet there was also other habit that is: unless you want to specifically evaporate water, things will get boiled just the same on low or high heat. (heating up to boiling point is most economical using high power) there's zero reason to keep thing boiling on high heat then add water. also, using hot tap water. water heater is much better at heating water than open gas flame, yet i see people insisting on heating entire pots and kettles of cold tap water
I've always heard not to drink hot tap water or cook with it because of the risk of nasty things leaching from the pipes. https://www.abc.net.au/news/2023-09-07/is-it-actually-bad-to-drink-warm-water-from-the-tap/102812252
Legionella specifically. If you're going to drink hot from the tap, go all the way to boiling first
legionella dies after 2min at 60C tho
do i look like i'm made of thermometers?
don't look in my barbecue drawer look at the thing in front of you that is meat
where i live it's a part of building code that hot water has to be hot enough that legionella doesn't survive in it. depending on the place it might be different and whether building is up to code is a separate thing entirely
If you have legionella in your hot water, the issue isn't going to come from drinking it, but inhaling it when you shower. As long as you don't have a dead leg in your water system or a circuit that stagnates for long periods of time, legionella is pretty much a non-issue in the vast majority of homes, even older homes.
depends on your buildings construction, if you have steel piping then it should be fine as long as you boil it. if it's chlorinated then it shouldn't even matter too hard