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Unread 10/13/2019, 09:58 PM   #9
bertoni
RC Mod
 
Join Date: Mar 2002
Location: Mountain View, CA, USA
Posts: 88,616
How much food is going into the system? The substrate might be fairly coarse. It's hard to tell from the photo. If so, such substrates tend to accumulate detritus over time. I had to pitch all my crushed coral.


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Jonathan Bertoni
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