Great for Nano's
Posted: 8/31/2012 from Washington DC
I have this on my 15g nano in my office on a MJ600. Works great! Nice rotation. Needs to be cleaned monthly. My Goniopora and Clam love it.
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O.K. for small flow
Posted: 5/11/2012 from SALEM, OR UNITED STATES
I purchased two of the 1" spinners to use on the cloosed loop on my 200 gallon cube. First issue for me was the 1" is just a 3/4" with a reducer on it. After an easy screw in install I was very disapointed with the little flow these could handle. Even with the ball valve on my return pump turned 3/4 down they still spin very, very fast and greatly reduce any flow. At higher volumes of water they make a loud screaching sound from spinning so fast. They may be ok for a small nano tank with little flow but having them for a 1" fitting is a waste. You get what you pay for.
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