How many Powerheads

[eli@fijireefrock.com]

Originally Posted by Aquattro

Each tank is different. You need to assess whether you're getting flow everywhere you need it. But not enough to agitate polyps. In my 75g, I ran 2 x Tunze 6100, about 3100gph each. Plus the return, another 900gph. My 180 has these plus two smaller tunzes, totalling about 10,000gph of flow in the tank. I could use more. SPS and a couple of euphyllia colonies.

Just to give an idea in my system as my main tank of 180glns I have return pump with 8000 glns plus 3 other power head (1800glns/hr/each) witch roughly flows at 13000glns/hr
With lots of LPS ,few NPS , a couple of softies and 6 Md/lrg. fish.I beleive of having no dead spots in my main tank.Hope that gives you an idea.