redoing sump

everl0ng

New member
i am going to be putting together another sump for when i move and my only question is about the last baffle before the return pump. should the water flow over or under it? i am guessing over will help get rid of some more micro bubbles before being returned to the main?
 

Henry Bowman

Reefing since '87
Under it with a baffle that the water flows over a few inches before. This type of set up will greatly reduce the bubbles.
 
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