just a quik question lol ive noticed that suddenly my bio wheel stopped turning so i cleaned the axles [this is a penguin msrineland 200] but noticed that the filter was holding back enough water like a dam preventing my wheel from getting enough push . tank has been running ablout one month [ noticed too that the water has been clouding up quiker as well] had to do water change twice a week instead of once . might i have to change the filter media ,charcoal could be gettin tired could'nt it
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