Recent content by chrismrutherford

Well it's been about 2 months, my pump is ok and I can positively say that my timer system works. Indeed my smaller tank with more fish has lower nitrates than my large tank with less fish and more plants. I'd say that is pretty conclusive. I might make some final readjustments to increase the...

I may have just figured out a way of lowering nitrates in my tank. Having viewed some commercial biological nitrate filters it is clear that to remove nitrates you need anaerobic bacteria. With a normal external canister filter that circulates water from the main tank at a relatively high rate...