Which Return Pump?

lifeform

Member
Hi, I have a 50 gallon tank with a 10 gallon refugium and I was wondering which return pump I should have? The water will have to travel through a 1/10hp chiller then through a check valve then through a line which splits at a Y connector and then continues through two return lines to the main tank. Can anyone please tell me which return pump I should have? Thanks
 
Ocean runner 2500 or 3500 if you are using flexible tubing. virtually noise free, and low electricity consumption.

You can get them at drsfosterandsmith.com
 
Best scenario....your return lines end JUST under the water line, so little if any water backdrains into the sump when the pump turns off.

Second best scenario...drill siphon break holes in your return lines just below the water surface, so again, air quickly breaks the siphon when the pump stops, preventing water from draining into the sump.

Don't rely on a check valve. It will fail...probably while you're on vacation, as luck would have it.
 
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