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Old 04-07-2008, 04:03 AM
Glennrf38 Glennrf38 is offline
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I think 4 foot bulkheads are the best. that way you can get inside and really clean them

It all depends on what size the tank is and how much flow. The most common seem to be 1" 1 1/2" and 2 ".
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150 G mixed reef.
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