GPH for Refugium?

[Bubbaboy]

My sump is going to be a 103gallon. inside will be a refuge. Im going to try to fit a 40g space in sump for refug. Now what should my gph through the sump be?

 

[Drew Shark]

It depends on what you plan to put in the refugium.

 

[Bubbaboy]

40g refug cheato dominant

 

[Drew Shark]

40g refug cheato dominant

Then you are probably going to want about 500-800 GPH.

 

[ieGlenn_2316]

Then you are probably going to want about 500-800 GPH.

what defines the amount of flow through a sump? why does it matter what youre keeping in the fuge?
thanks

 

[Drew Shark]

what defines the amount of flow through a sump? why does it matter what youre keeping in the fuge?
thanks

When you have Cheato in the refugium you want it to be be moving so that the light is evenly distributed and that flow is going all over the Cheato, this is usually happens when the flow is about 20 times the gallons in the refugium. If it is a DSB refugium then you are going to want a slow flow rate so that the sand is not disturbed.

 

[ieGlenn_2316]

ahh. i see, its all so clear to me. i have chaeto and a dsb in a 20 gallon fuge. the chaeto doesnt tumble though. i have about 1200gph goin through it. i flip the chaeto over periodically and it still grows very well. seems to work well for me. thanks for your answer drew.:yo: