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#2
05-29-2009, 12:49 AM
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The overflow box has 2 purpose. 1- skim the top portion of your tank, to get the oily film that floats on the top and increase your protein skimmer's efficiency. 2- reduce the noise that having just the pipes will make.
Just putting the pipes with a strainer has been done, especially in frag tanks. If water noise is not an issue, then go for it. 
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