Quote:
Originally Posted by jason604
my return pump is 2x stronger than what my external overflow pump can handle so ive been diverting half its flow back into sump which is wasting electricity.. do u guys think a maxi-jet 1200 is enough as a return pump for a 75g tank?
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Nop a maxijet 1200 is not enough as any tank's return pump unless its a AIO type small tank (like BC14/28). MJ1200 cannot take the head pressure that is needed for a sump to DT return. For a 75g tank, you will be aiming for something like 600 to 800gph. Which pump are you using?