| Re: water flow hers alittle about my tank, its 125g long, 50 g sump with good return, 50 to 60 pounds of rock in it now. 120 pounds of sand. its been running for about 3 weeks. i have two yellow tangs a sailfin tang, a clown and two anenomes.and a cleaning crew due tomorrow. my rocks on one side and i have one small powerhead in there |