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Originally Posted by StirCrazy
also one thing to think about.. how hard is the jet stream from the sea swirls? could it be to much of a blast and causeing the corals to retract?
Steve
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I know that before I added the vortech I had to angle the flow from the seaswirl down at the rocks more in order to get more direct flow so all the turbulence wasn't just at the top. Now since adding the vortech I've gone back to a 90 degree pvc fitting for the outlets on the seaswirls and since there's so much turbulence at the top half of the tank, the currents crash into each other and force a lot of the water down on to the corals. It looks pretty good. I observed the corals last night about an hour before the MH's turned off and even though they had no where near the polyp extension I've seen on really healthy tanks, the polyps were peeking out on most of the corals so this is a good sign.