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TDS readings
I recently had the opportunity to pick up a TDS meter at a bargain price, and
have searched the web to see if I could learn enough about Total Dissolved
Solids to make the readings useful. Frankly, I'm confused. I understand I
am coming up with a number that corresponds to all the chemicals dissolved in
water. However, I'm not sure what a "good" TDS reading would be, and when it
gets so high that it's a "bad" reading. My tapwater tests at TDS=400. Now
that I have that number, what does it mean, and what (if anything) should I
do about it? Do I even need to be concerned about TDS at all?