hi albf
I have a question for you, I use RO water at 0 ppm then i add nutes to get about 800ppm.
You say tap water is fine, and my tap water is about 300-350ppm, Do i add 800ppm amoutn of nutes to get 1100-1150ppm to get the same as before? Or do i still add enough just to reach 800ppm. Thanks!