return pump question

[reeferaddiction]

hey guys, i am planning my 70g sps cube build and i am wondering what size return pump i should go with. i want to do a in sump pump running 2 returns. both returns will be split with 2 lockline hoses. let me know what you think. thanks

[joshkennedy07]

Eheim 1260 for an internal pump. I would use a CL or powerheads for more flow in the tank.

[AZDesertRat]

You need to match the pump to your overflow. Too big and it outruns the overflow, too small and with an external overflow you can have suction priming problems.