Posted: Tue Jul 14, 2009 7:19 pm
Technically the bio media like the BioStars and bio balls and ceramic rings are supposed to be replaced every 6-12 months, at least that's what Rena says. I'm not saying you are supposed to, but they suggest it. I'd imagine if it is plastic, it could start to break down over time. As for cleaning them, if you really want to, you can. But if you do actually clean them, as others said, you'll kill the bacteria and you'll need to wait for them to recolonize.
JAX
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Baby Boy - January 9th, 2011! (3 months old)
1 RES - 7" long - Umi (3.5 years old)
1 black lab/hound mix - Josie (1.5 year old)
2 cats - Mysti and Molly (6.5 years old)