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#1
11-15-2010, 01:26 AM
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Filter Sock Question
Just wondering if anyone here uses filter socks in their sump. I had started using them, changing it every 3 to 4 days with a clean one, but know I’m wondering if I really need one. I’ve read some info about the sock adding nitrate to the water if your not careful and replace the sock often with a clean.
Do you use a filter sock ? 
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