i run in my sump 2 phosban reactore with this media nitrate no more then 5ppm and drip 6 drop per second on each reactor.
i have 16 fish in my 120 gallon and i feed heavy 2 time a day + seaweeds on 2 clip . since i have this media run , i cut my refuge in the sump and i can said it's work great.
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