What return pump would u buy??

[gregzz4]

I'll keep recommending my fave for tanks in our range;
Eheim 1262

For your 180 you'd only need approx 1000 gph through the sump to satisfy your skimmer

I put my pump on a pad cut from this stuff.
Everyone who's ever heard my sump can tell you it's dead silent

Pump's been running for 3 years this coming May with not 1 issue, and only 1 or 2 cleanings

Only drawback I'll admit to is the 80w rated power usage