Maybe just hold off on the gfo for now and monitor the NO3. If it looks like it's coming down, leave it as-is but maybe once it gets to 10 or so (I'm just pulling this number out of the air arbitrarily) then go ahead and put the GFO on.
yah I think this is the best advice. 0.02-0.03 phosphate isn't bad, actually some people strive for that level.
03-14-2013, 08:04 PM
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