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Old 01/09/2008, 06:48 PM   #17
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Join Date: Nov 2007
Posts: 1,749
there's a section about doing this sort of thing in the 3rd volume of Delbeek and Sprung's Reef Aquarium series. they used a series of vertically oriented pipes-in-pipes. that way you could get the work done with a posthole digger instead of a trencher.

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