I have this water bottle that I use at home which I use constantly. I refill it with tap water frequently but every time I open the cap, I see this white residue gathered . What is that and is it safe for me to use that bottle again?
In: Chemistry
Hi there. Guessing you live in a hard water area. What you’re seeing is probably a calcium buildup. If you make coffee, you’ll see the scaling on any interior rings or where water disperses.
Just keep washing it out.
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