hygger pump

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    New Refuge - how do I know how often the tank is cycling via the pump?

    Hello, I have my new refuge running. 75 gallon tank. 20 gallon refuge. 1 1/2 inch PVC overflow. Hygger 4000 return pump. Two wrasse One clown - he keeps killing the other clowns Three Damsel fish Five anemones - two long T, three bubble Four snails Four crabs Live sand Live rock Ph - 8.2 Temp...
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