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Old 01-15-2013, 02:59 PM   #10
somewhatshocked
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Yep, they usually only clog quickly if you've got a bunch of waste in the tank or are overfeeding.

I've got tanks with a few (some with four) double sponge filters and thousands of shrimp in them. Sometimes those filters are good to go for five or six months without a rinse.
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