Replacement Impeller for Koralia Nano and Koralia 1

Perfect replacement. The item was the one that the manufacturer suggested and this is one of the few places to get it. It works perfectly in my 13 gallon aquarium. Love my fish. Aerates and provides current.

The propeller works as expected, however the fan blades were slightly larger than the original. This caused a small plastic tab inside the housing to rub and lock up the fan. Removing the internal plastic tab fixed the issue.

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