Noisy Bio Pearls

freded

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Joined
May 21, 2007
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Flamstead, Herts, England
Thought I'd ask this in the marine section but i've actually got this issue on a tropical tank. I've got a TMC fludised sand bed filter which has got marine bio pearls running in it as my LFS told me that this was a good alternative to the silica sand which came with filter but which I accidently managed to lose! Problem I've got is that the bio pearls are making an absolute racket in the filter as they bang into each other- do these pearls quieten down over time as at present, they are making so much time. My LFS told me they would but wanted to hear from anybody who is running these.
 

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