How big of pump do I need?

hikari

New Member
I am upgrading my 50g tank to a 110g tank. I have a 29g sump I'm setting up. I will have one 3/4 in pipe split into two 3/4 in outlets and two 1/2 in outlets into my tank.
I was wondering about how many GPH pump I should get. I was thinking around 1200 but wanted to make sure that would be enough.
My 50g is a reef tank so my 110 will be a reef tank. Any input would be helpful. I am trying to be as cost efficent as possible.
 
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