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· Administrator
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I was wondering what's the reason behind this. Is it only because the pores of the media get clogged up or is there another reason?
Simple.... $$$$

All I've done with the bio media is give it a good swish in old tank water. It knocks loose a lot of the gunk that builds on it and it comes out cleaner than when I put it in.
This is all most of us do, also.
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