A couple of things

[Johnny Reefer]

Originally Posted by Gringos

Readings 35 going in and 0 going out.

It is my understanding, from reading subject material, that RO removes many things. Phosphate, nitrate, copper, lead, aluminum, mud, organic matter, chlorine and chloramine. The author of the material I read did not go into readings.
What substance is being read by the TDS meter?
Also, TDS? What does that stand for?

Thanx much,