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Thread: Sponge filters
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post #3 of (permalink) Old 01-14-2013, 07:55 PM
somewhatshocked
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Join Date: Aug 2011
Location: Louisville, KY
Posts: 12,355
No need to replace sponge filters unless they fall apart.

Just squeeze them out several times in some old tank water during water change.

I've kept Crystals with just sponges for several years.
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