What does your meter top out at? Does it go over 500 PPM? My water varies between 440-550 and comes out 0 PPM. haven't tested the RO output in a while... but I remember it being about 30... maybe?
Could your water measure so much over 500 that its too much for the membrane and DI? Maybe get a second carbon chamber? (mine runs 2 carbon chambers)
Oh and how about water pressure? Do you have enough to efficiently run the filters? About 70 psi I believe.
Last edited by SmilinAvnger; 05-08-2015 at 08:44 AM.
Reason: More info
[SIGPIC][/SIGPIC]My 150 Gallon Tank:
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