05-17-2010, 11:36 AM
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Originally Posted by brancasterr
I'm new to fish keeping and I'm wondering how often I should change the media I have in my filter. Sponges, carbon, etc.
If running carbon, I would change it once a month. For the sponges,I would think them to last a very long time by simply rinsing them out in old aquarium water you take out during changes ,and sticking em back in the filter. Would replace the sponges only when they began to fall apart and would replace them at different intervals not all at same time.
All of this is dependent on mature,(cycled) aquarium. On tanks that are (cycling) I would not replace anything until the tank has (cycled) lest I also remove beneficial bacteria needed for the tank to (cycle).