Clean those impeller shafts!

Eheim Ecco 2235 canister filter impeller with shaft inserted. Photo by the author.

 

Eheim Ecco 2235 canister filter impeller and impeller shaft removed. Photo by the author.

Three years ago, I posted about keeping your power filters clean, especially the impeller and impeller housing. The point of that post was to help you avoid filter restart problems in the event of a power outage (or when you unplug the filter when you feed your fish or some other reason). Most of the time, a restart failure is due to a dirty impeller housing, dirty impeller, dirty impeller shaft, or all of the above. 

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