Checking TDS is like being a water detective. You’re hunting for invisible visitors. One time, I tested my friend’s "premium" bottled water. It read 10 ppm, which is basically fancy air. He was not amused. I was laughing.
What Should Be The Tds Of Ro Drinking Water at Amy Kates blog
You can also test rain, pond water, or even your fish tank. Rain usually scores below 10 ppm—so pristine. Pond water? It can hit 500 ppm or more, thanks to mud and fish doo-doo. Yes, fish doo-doo counts as dissolved solids. Gross? Sure. Fun to measure? Absolutely.
