02-14-2014, 05:59 PM
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Originally Posted by Flint
You shouldn't change anything in the filter until it is absolutely falling apart. Just rinse it in tank water when you do your weekly water change or if you notice it isn't flowing properly. Do you have fish in the tank? How are you cycling? I have never heard of the filter media turning green to show there is bacteria growing on it, don't use that as a judge.
Well I have heard that the filter itself (the white stuff on the outside) will develop a greenish tint to indicate that the bacteria is present, maybe im mistaken. But I cut a hole in the current filter to put new media in it and havnt noticed a change in the chemical levels even after several weeks. Should I put a new filter in and start over? Or what. I have 3 fish, angelfish, 2 blue german rams