Is It Ever Safe to Reboil Water?

When you let water boil too long or reheat it, you risk concentrating undesirable chemicals that may already be there.

Science Is It Ever Safe to Reboil Water? If you have perfectly pure distilled deionized water, nothing will happen if you reboil it. However, ordinary tap water contains dissolved gases and minerals. And when you let it boil too long or reheat it, you risk concentrating undesirable chemicals that may already be there. READ NOW Advertisement READ THESE What's Road Salt Made Of? Yes, Batteries Die Faster in Cold Temperatures The Serious Dangers of Mixing Bleach and Vinegar You are receiving this newsletter because you subscribed to the Today I Learned newsletter. If you wish to unsubscribe, please click here A Dotdash Brand 1500 Broadway, 6th Floor, New York, NY, 10036 © 2018 Dotdash - All rights reserved. Privacy Policy.