Hydor Koralia

[jacksparrow7]

Aloha all, I have a 90gRR pentagon corner tank and was wondering about the Hydor Koralia PH. Right now I have a mag12 for a return (spilt into two return pipes) and 2 MJ 900 and a MJ1200 in the tank. I have a bit of cybo forming and would like to increase my flow without the jet stream effect. Which Hydor Koralia would you recommend and what is the best placement for the PH or PH's? I was thinking about two #3's or one #4. Any help is much appreciated.

Mahalo Jack

 

[shag26272]

I have a # 3 and you can feel the flow about 1.5 - 2 feet away from the powerhead I would use 2 of the 3's

 

[dippin61]

just an FYI.. cyano doesnt only grow in low flow areas. ive had, and seen cyano growing 2" from a powerhead.

btw,, get a K4