Powerhead placement

[Madreefer]

http://ecotechmarine.com/wp-content/...ll-Manual6.pdf

Dont know if you have this but it tells you all about placement. Would recommend you take out any of those foam filters if any in your cannister and replace with liverock rubble.

[Coralgurl]

Ah, when all else fails, read the instructions.....of course, thanks