Flow for tank

Pearfish

New member
I have been reading that breeding tanks need flow. If i have a stand alone 20H with a sump would i need a powerhead or a koralia for more flow. The return puts out nice water movement (adding a flared nozzle soon). I have a pair of the ocellaris clowns.
 
Maybe? What's the flow at the moment? You want it high enough to wash out at least some detritus, but not high enough that the fish are spending more energy on staying in place(thus reducing energy used for breeding).
 
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I am going to buy a koralia nano 240. Should i leave it on all the time and turm off just for feeding. Should i point it with the return flow or against. My return puts out little flow.
 
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