Randy Holmes-Farley
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My Tank Thread
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Don’t laugh…. but I’m using 7 ml of the Red Sea Alk. 2 part solution per day ~ maybe 0.05 dkh / day on the system. System is about 400 gallons total water volume (500 gallon display + 70 gallon sump). 6 months old, Green hair algae problem right now (cyano is starting to disappear over the past week), starting to see green corraline pop up on the back glass.
At that low level, all sorts of minor processes may impact it.
Accumulation of 1 ppm of nitrate per day would account for all of it, but precipitation may as well.