Who Gives A Fish Forums

Another thing to consider is the O-rings. If they're worn out, they might not be sealing properly, letting air in. Replacing them is cheap and easy.

Airlock issues are common with canister filters. First, make sure the intake and outtake tubes are free of debris. Check the impeller for any blockages too. Sometimes tilting the filter slightly can help release trapped air. Have you done any recent maintenance on it?

Has anyone tried filefish? I've read they're hit or miss but some folks swear by them. My tank's too small for one, just curious.

Hey everyone,

I just upgraded my mixed African Cichlids to a 55 gallon tank since they're hitting 3 inches and their hormones are in full swing. This freed up my 30 gallon tank (30x12x18) and I'm not sure what to do with it. I already have a 15 gallon hospital tank, so keeping this one for ...