Hi sifu, today is the 5th day of my 6ft sump tank water cycling. I'm using Biozyme Formula 100 and there are 4 TFB in the tank. But there is still no nitrite buildup. Am I doing it correctly? Thanks.
PH - 7.18
Ammonia - 0.5 ppm
Nitrite - 0 ppm
Nitrate - 0 ppm
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