Head loss on Eheim Compact series?

[ElGuappo]

the box seems to be bang on for head loss... i use a 200 for a waterfall in a tererium and its useless at 2 feet... i use a oddysea 700 for my 20 gallon... works good at 4 feet. i figure around 250gph. cheep pump works great.. i have also seen these pumps used on skimmers and work awsome.. very fine bubbles and the pinwhell comes with the pump.

Originally Posted by Myka

Thanks for the replies!

I want it as a return pump for a 20 gallon tank. The 600 (160 gph) says max head is 4.3 feet, and I will have 3'7". I'm just wondering if I'm going to get a lot of head loss being fairly close to the max. I would prefer to have 120-150 gph through the sump, and definitely don't want anything less than 100 gph.

Maybe I will email Eheim.