how do i clean impeller?

  1. JasonMichael

    Fluval 406 - Making Noise After Cleaning...

    Hi guys, I've just cleaned my fluval 406 canister filter as I do monthly however for some reason it's not running as quiet as it use to since cleaning. I'm scared to take out the impeller etc. as I don't want to break it, does anyone have any tips on how to do this carefully and how to clean...
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