Correct size pump for tank ?

[billdub]

What would be a good size pump for a FOWLR 30g tank (possibly corals in the future), 400/500 gph ? Is there a general rule of thumb as to how many times per hour your tanks water should cycle ?

 

[fittdog8848]

i do not think there is a rule of thumb, but hopefully someone will post some facts. My tank is turning over about 18 - 19 times per hour.

 

[Anemonebuff]

Are you talking about turnover through the sump or the tank in general?

 

[Anemonebuff]

The turnover through the sump is about 10x and the tank is about 30x, which I plan on increasing to 40-45x.

Some people with SPS have a 90x turnover rate or more.