@Marks69 thank you for your comments
@TigWeldPro, I just drilled the back, two 2 1/2" holes 3 inches each side of center. I'm going to build an over flow box and build the bean/herbie from that, possibly running my secondary line into a refugium that will sit behind the display tank and it will overflow as well into the sump after my skimmer. I was thinking I'd put a few shrimp in there with lots of rock etc so they can do their thing and the larvae can overflow into the sump and get returned to the main tank as a source of food.
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