for the overflow i want( http://www.petsolutions.com/Overflow...089014.aspx)it looks like theres 2 holes in the bottom. whats a way to make the 2 pipes connect? and also, is it better to plumb with flexible tubing or with pvc?...
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10 gallon
-4 female guppies
-1 sword tail
-1 algae eater
-1 electric blue crayfish
29 gallon
going to be a minireef
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