Overflow too loud need help!

[Supreme Reefs]

Slurp usually means too much flow at intervals, what pump?

Its an ATB flowstar 1500 so it pumps about 1400-1500 gph

 

[Coralgasm]

not familar with flostar, maybe it isnt strong enough and you are getting the flush effect?

 

[Supreme Reefs]

not familar with flostar, maybe it isnt strong enough and you are getting the flush effect?

This pump is pretty strong :/

 

[Coralgasm]

what is the gph or lph

 

[Supreme Reefs]

what is the gph or lph

1500gph