Filter cartridge?

stupid_naso

Member
How often do you have to change/ clean the sponge cartridge inside the biowheel filter? I have a penguin biowheel filter, got it from *****. Mine started making cracking noise, I cannot tell what it is. I'm sure though that it's from the filter, because I traced it and the noise leads me to the filter. I want to clean it, can anyone tell me how I'm supposed to clean the cartridge? Or should I buy a new one? It's only been two months, since I last changed it.
stupid_naso
 
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