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Optimal Water Movement

arvin

NJRC Member
Mine is a 72g bowfront with currently mostly softies and planning to keep some SPS in near future. The display tank has an approx 2" dsb as well. (Would like to get rid of it!) What is the optimal water movement should I aim for?

I have two Koralia #3 which gives me a total of 1700gph (850 X 2) which is about 23 times my display tank volume. Is this a good flow? Would adding another #3 will be a overkill?

TIA.
 
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