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#11
06-09-2010, 01:00 AM
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1. Closed-cell foam (the same as for a backpacking mattress) underneath the sump.
2. Closed-cell foam underneath the return pump. 3. Connect the return pump to the pvc pipe with a length of flexible hose. My Mag 12 return pump has been silent this way for years.
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120 gallon sps/anemones/LPS reef since 2004 Apex controller 8 x 54 watt T5 PowerModule Herbie's silent overflow system Jebao DC 12000 return pump Jecod CP-40 Cross-flow circulation device Mini Bubble King 180 Barr Aquatics calcium reactor Bucket fuge 
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