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Old 05-12-2005, 03:33 PM   #1
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Fluval Sponge Question

How often do you guys change the sponge pre-filter on your Fluval canisters? I use bio-rings and ceramic prefilter, so I know those medias can just be cleaned in tank water and last pretty much forever. I do the same thing with the sponges, but they still get pretty used and abused. How often do I need to throw in new ones? I have the 304 so its four sponges to replace, I was thinking about replacing two of the four every month. Sound good, or can they last even longer?
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Old 05-12-2005, 03:40 PM   #2
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I would keep the foam until it no longer fits in the supportive slots (ie: falling apart). Or, when rinsing, you find that it no longer maintains it's shape. This can be for several months. Also, when changing, I would only change one at a time. This will eliminate the possibility of having a "mini-cycle".
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Old 05-12-2005, 03:59 PM   #3
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Quote:
Originally Posted by Jchillin
I would keep the foam until it no longer fits in the supportive slots (ie: falling apart). Or, when rinsing, you find that it no longer maintains it's shape. This can be for several months. Also, when changing, I would only change one at a time. This will eliminate the possibility of having a "mini-cycle".
Thats good to know it will last longer than I though, saves me some money at least. With how much bacteria media I have in that thing I doubt I'm going to have a mini-cycle tossing 2 at a time though.
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Old 05-12-2005, 04:22 PM   #4
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Quote:
eliminate the possibility
I don't disagree there...just doing whatever we can to avoid problems.
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Old 05-12-2005, 04:27 PM   #5
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I have a fluval 304 for a 55 gal, I think I read somewhere to replace the stuff every 6 months if you have a full bio-load. Hope that helps.
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Old 05-12-2005, 05:30 PM   #6
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I have a fluval 304 for a 55 gal, I think I read somewhere to replace the stuff every 6 months if you have a full bio-load. Hope that helps.
That does, thanks. You too JChillin.
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