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WVfishguy · 01/12/2019, 11:41 PM

I have a 90 gal. mixed reefer with a 75 gallon sump. I'm running two Mag Drive 9.5's from the sump to the display. The two return hoses are only about 3.5 feet long, flexible hose, 2" OD I believe, with no bends until they reach the top of the tank, then there are three pvc elbows on each return.

The flow is pretty stiff. I need a new overflow. I'm currently using two overflows, one with two exhaust hoses (back to the sump) and another with one hose. I believe all three are 2 inch ID.

Would a CPR Aquatics Deluxe CS150 with Lid and Aqua Lifter handle this? I'm a little confused; the 150 appears to have one hose going to the sump, the CS 102 with less flow has two hoses. This seems backwards to me.

Is the return hose on the CS150 really large?

01/12/2019, 11:41 PM	#1
WVfishguy Registered Member Join Date: Oct 2002 Location: Huntington, WV Posts: 677	External overflow; CS150 or CS 102 I have a 90 gal. mixed reefer with a 75 gallon sump. I'm running two Mag Drive 9.5's from the sump to the display. The two return hoses are only about 3.5 feet long, flexible hose, 2" OD I believe, with no bends until they reach the top of the tank, then there are three pvc elbows on each return. The flow is pretty stiff. I need a new overflow. I'm currently using two overflows, one with two exhaust hoses (back to the sump) and another with one hose. I believe all three are 2 inch ID. Would a CPR Aquatics Deluxe CS150 with Lid and Aqua Lifter handle this? I'm a little confused; the 150 appears to have one hose going to the sump, the CS 102 with less flow has two hoses. This seems backwards to me. Is the return hose on the CS150 really large?