My pump is pumping 1200gal and my durso is 1"1/2 going to a 1"1/4 bulkhead to a 90elbow and than another 90 elbow that is on the sump and on to bio-balls the gurguling sound down there is terrible, please help I already went thru a few caps trying to get the size of hole right but with no results...
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70 Gal. Diamond shape
20 Gal. Eco-System
1 250watt MH + 2 20watt NO Actinic
1 Mag Drive 12 return pump and circulation
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