Quote:
Originally Posted by lgtentacle
I'm having a difficult time envisioning the closed loop systems. Wouldn't the flow always be in the same direction because of the drains? Seems like that would negatively affect the polyp generation on SPS corals so that they only grow on one side.
Nikon187, could you show some pictures of your tank to see how it looks?
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beside a pump to pull and shoot out water you will need a Ocean Motion this will close and open the jets of differences times. When I have my closed loop I had the version 3 there are 4 jets 1 and 3 would open 2 and 4 be close and vice versa. This way water not constantly shoot out in same spot all the time