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Power Filter Question
I'm still barely starting the cycling process of my tank. But i'd like to be prepared ahead of time. My 20 gallon has a Tetra Whisper Power Filter 20 and I'm not entirely sure on how the whole bio bag etc works when needing to replace it. All i know is in the filter there is the bio bag, and a piece of black foam on a little plastic frame. Any help is appreciated!
The black foam is the area for your bacteria to grow. You should only take it out of the filter when it looks very dirtly, wash it only in old tank water. Washing it with tap water would kill your good bacteria. The foam should never be replaced. You can do the same with the bio bags. They realy only need to replaced when they are starting to fall apart, or once a month.
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oh ok thanks a lot. so should i replace the bio bag after my cycle before i add fish? and also, if you guys had to say...what is this ammonia reading at? (sorry about that last question, kinda dumb but i'd like to get other opinions so i know i'm doing this right)
You do not ever replace that filter cartridge. You do a partial water change every week or two and if the water flow in the filter has slowed down a lot, you rinse the cartridge in the old tank water before you throw the water out. The filter cartridge has almost all of your beneficial bacteria in it and it should be kept until it falls apart.
I would not touch the bio bag. I would leave it in there through the cycle and keep it in there when you add your fish. Good bacteria is growing on it as well. It could hurt your cycle if you change it out. I would just clean in in old tank water and only replace it when starts to fall apart. Good luck with your fishless cycle!
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