Guy tests rainwater at 2 ppm and city tap over 300 ppm
A man uses a dissolved solids meter to test the water quality of both fresh rainwater and his city tap water, and the results he finds are going shockingly viral, with rainwater measuring almost as pure as it can be at 2 ppm, while his city water is well over 300 ppm. In case… pic.twitter.com/KZQOnUs2g0 …
