Yeah I think coming off the side was my problem. Need to do it more like the last pic just straight across. Figure 2 (3/4) holes would provide plenty of extra flow. Although I might just wait for the dollar sale and see if I can't fit a 40g under there but I think I had already took those measurements and I'm an inch or two shy if it's a 36 inch tank. Display is a 6ft...
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