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how do i drill a refugium tank?
Hey i was just reading how to make a refugium on your own and i just happened to have most of what i need to make a simple one lying around. I'm gonna use a 5 g tank as the refugium, and i think it's made of plexi-glass or heavy plastic, I can't tell but it has all rounded corners and its like, one big mold, so i figured its plastic.
My question is how can i drill a hole for the overflow back into the tank? I figured i would just put some big vinyl tubing or pvc in the hole and connect a tube to that, but how do i get the big round hole that i need?
After drilling can i maybe widen the hole somehow or shape it since the tank is plastic?
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