Filter Media?
Hello everyone and thanks for checking out this topic, I just have a couple short questions. I'm currently using an HOB which holds the white floss and a blue carbon cartridge thing. Now, am I suppose to replace the entire Carbon cartridge every few weeks/months or just replace the black carbon in it? The beneficial bacteria colonize in that thing right, so what should I do if its all grimy? Also, if I want to try to "seed" a new tank to boost the cycling process, do you just shake some of the stuff from the carbon cartridge into the new tank? Thanks for any responses.
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