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TIL why you're not supposed to cook or drink hot tap water - it's the lead (and other heavy metals) (www.epa.gov)
submitted 1 year ago by to c/til@lemmy.ca
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Hot water dissolves lead more quickly than cold water and is therefore more likely to contain greater amounts of lead. Never use water from the hot water tap for drinking, cooking, or making baby formula.

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[–] 3 points 1 year ago (4 children)

Here they are ubiquitous, and yes I have seen commercials for ones with a tank inbuilt, which is just stupid IMO as you have instant hot water on demand.

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  • [–] 2 points 1 year ago (3 children)

    It's not stupid when you factor the cost. If you want do multiple things at once with hot water, you'll need a bigger tankless. As it gets bigger and can heat more water at once, the price goes way up. Not everyone can afford that.

    A tankless can also be electric.

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  • [–] 1 point 1 year ago (2 children)

    We have a small one and you can get loads of hot water out of it non stop. I get your idea but I don't think it works for most people, that tank must be kept hot at a price too. IIRC the publicity was that you could get hot water "faster" which is a question of a very little difference if any IMO.

    A tankless electric, interesting, why not, we have 220V/32A lines in the kitchen, I wonder how well that would work out.

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  • [–] 1 point 1 year ago (1 child)

    We also had a smaller tankless, but we couldn't shower and use the washing machine on hot at the same time. All tankless water heaters have a flow rate limit depending on their size.

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