Old Sponge Filter - Safe To Use?


I have a sponge filter that's been sitting in my garage for about a year. Before that it was sitting in stagnant water for a while, but it's all dry now. Would you say it's safe to use in a new tank? I presume any harmful bacteria would've died off by now.


You would probably be ok but don't really know, I would rinse it in hot water first and maybe let it soak to loosen up any crud, but than again they are pretty cheap.

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