Oh and another question. I got my closed loop pump from "Nautical" today...Thanks again for delivering man! Its a beast...It will be more than enough flow for my closed loop. Its rated at 6000 gph, so even with a bit of head loss and elbows, it will be a lot for a 115G tank. Now Im thinking that I will go with less flow through my sump and refugium because the return pump does not need to be a factor in providing the tank with flow. What would you say is ideal flow through a sump and refugium without being too little? Im thinking a MAG18 could work but it just seems like so little. Any ideas?
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