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Greg 45
04/18/2009, 04:09 PM
How much flow from your sump do you have going through your tank.
I have a 180 gal tank with a 100 gal. rubbermaid sump and dont know how much to flow through tank.
There are two mp 40 for flow in tank.
THANK YOU

acurro
04/18/2009, 11:57 PM
I think the usual flow for reef tanks is 10 to 20X per hour but it depends on what kind of species you want etc. MP 40s do a good job of making flow on their own.

Personally I like setting up a big return pump from the sump with multiple outlets because you don't really want high velocity but substantial movement.