It runs the existing 3 Koralia 2's that I have in the tank. What a noise they make when turning on after being idle. I couldn't stand it for even a day, and it got the gears in my head turning. (turn off your smoke detectors) This is what I came up with. A simple by as it turns out, very effectiveway to shut them up. Anyone who owns Koralia's knows that the impeller flaps around when they're turned on, until it grabs. A small piece of rigid watr filter tubing did the trick, and should also extend the life of the impeller.please give more details ie how tooooooooooooo?
Last edited by muck; 12-07-2009 at 07:11 PM.
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