lilchris_28 said:The biowheel does have gunk on it. When I clean it, the only thing I do is stick it in the tank and scrub the sides so it turns well.
When last have you cleaned your filter's impeller and the intake tubes? I never have to clean my biowheel in order to get it to turn. Usually if it has problems turning it is because my impeller is dirty or something is stuck in the intake tube. My biowheel is pretty gunked up at the moment.