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post #3 of (permalink) Old 01-14-2013, 08:55 PM
Obsessed? Maybe
somewhatshocked's Avatar
Join Date: Aug 2011
Location: Louisville, KY
Posts: 12,165
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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