I have a 58 gallon saltwater, i have a 20 gallon sump with a CPR overflow 300gph. Im running a rio 2100 for a return pump. i have 3 sections inside the sump, #1 is the hose from overflow bioballs and air pump to give the bioballs air, a guy at the pet store told me that instead of changing my whole sump to have the water trickle on the bioballs that air pump would do the same?? is that true? it then drains into compartment #2 this is where my skimmer is located, after skimming it filters into the same section #2. after skimming it filters through a sponge into section #3 the return pump then blows it back into my tank. I have 50lbs of live rock and used all RO water, i have about 2in of live sand on the bottom of the tank. My biggest concern is the filtering of the sump and how i should set it up differently, plz let me know what i can do to improve!
thanks
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