I'm still not getting a good response from the plants, even after going to 100% RO water.
My water starts as 510ppm, 24Gh, 16KH, that also goes through a whole-house salt-based water softener before being processed by the RO unit. The end result is 10ppm TDS. But I read here:
"Purity is determined by two things, first the "reject ratio of the membrane (92-99.5%) and secondly, the type of salts in solution. Membranes are very good at rejection high molecular weight compounds and multivalent ions. Monovalent ions such as Na+ and Cl- (Sodium and Chloride) are not rejected as well and are the leakage ions."
http://www.remco.com/ro_quest.htm
So, if that 10ppm remaining in the RO water is all sodium and chloride, is that too high a level? I can add a DI unit if needed, but if this level is not likely a problem, I won't bother.
TW
My water starts as 510ppm, 24Gh, 16KH, that also goes through a whole-house salt-based water softener before being processed by the RO unit. The end result is 10ppm TDS. But I read here:
"Purity is determined by two things, first the "reject ratio of the membrane (92-99.5%) and secondly, the type of salts in solution. Membranes are very good at rejection high molecular weight compounds and multivalent ions. Monovalent ions such as Na+ and Cl- (Sodium and Chloride) are not rejected as well and are the leakage ions."
http://www.remco.com/ro_quest.htm
So, if that 10ppm remaining in the RO water is all sodium and chloride, is that too high a level? I can add a DI unit if needed, but if this level is not likely a problem, I won't bother.
TW
