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#1
11-27-2013, 07:37 PM
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Oh to have the dilemma of managing flow in a big tank.
 I can't really help you with #1, but as to #2 it is my understanding that you can safely restrict the flow out of pumps. It apparently also makes them more efficient so you save a bit on energy consumption. - Ian 
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#2
11-27-2013, 07:43 PM
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oh that's great news! Might even help me with the micro bubble problem I've been having
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#3
11-27-2013, 08:28 PM
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Your main goal should be to use the circulation to massage the SPS tissue equally which helps them to process waste and not cause one side to atrophy. If you can manage a higher flow rate in the upper level and a lower flow rate in the lower level for your LPS, all your corals should be happy with that.
A reversing gyre over a few hours should work ok, as long as you aren't blasting the direction with excess flow. I agree with IanWR with the Reeflo, if you restrict the output you will save a bit on energy. Your tank's looking great, btw.
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Mitch
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#4
11-27-2013, 10:59 PM
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Yah Iv'e come to the conclusion that my tank is just not set up right for a gyre tank. To create even the weakest gyre I have to run the pumps at 100% for an extended period, which would deflesh my LPS if I left it like that for too long. I could probably re-arrange my rock work to make it more efficient, but I'm not changing my whole tank now.
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