powerhead recommendation

[taichimaster]

I have a 75 gallon sps tank with chalices on the bottom. I currently have 3 koralia 3's. I was thinking of replacing them with Tunzes or larger koralias.

What models and how many can or should I have in my tank?

 

[chi3f]

why not look into some vortechs?

 

[foxhuntr]

another one for the vortech's...... IMO theres nothing better