I just bought a TDS meter for my RO/DI and it has 170ppm in and ~3ppm out. is this exceptable?
salt210 Active Member Apr 22, 2009 #1 I just bought a TDS meter for my RO/DI and it has 170ppm in and ~3ppm out. is this exceptable?
acrylic51 Active Member Apr 23, 2009 #3 How old is the filters? Should be getting a "0" reading....when I see mine up to 1, I start looking at my filters...
How old is the filters? Should be getting a "0" reading....when I see mine up to 1, I start looking at my filters...
nycbob Active Member Apr 24, 2009 #5 3 isnt bad at all. of course 0 is best. we r talking about 3 parts per million. its nothing.
