treesmoker Zoa/Paly Collector Feb 28, 2009 #1 it read 108 ppm on my 2 way tds meter for my ro/di unit. i live in 4th st in santa rosa. I'm curious as to what the tap water in other cities reads?
it read 108 ppm on my 2 way tds meter for my ro/di unit. i live in 4th st in santa rosa. I'm curious as to what the tap water in other cities reads?