Hello all. Here's what happening:
System: CHOP: 230 gallon fish tank, 200 gallon grow bed with expanded clay, 150 gallon sump. Pump runs constantly and cycles grow bed about four time per hour (bell siphon).
I cycled the system before adding fish or plants but added more clay after cycling.
After adding fish and young plants, I saw "typical" spikes in NH3, NO2 as the bacterial colony had t…
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