It's a pre filter sponge like one u would see in a aquaclear biofilter that hangs on the back and creates a waterfall. I don't use the other two stages(ammonia and carbon filter) on the biofilter, no refuge
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It's a pre filter sponge like one u would see in a aquaclear biofilter that hangs on the back and creates a waterfall. I don't use the other two stages(ammonia and carbon filter) on the biofilter, no refuge
How do we stop school shootings?....give the teachers guns -death cab for cutie
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