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![]() best thing i did when drilling my 30gal was i took some scrap plexiglass and drilled the same size hole in it first used silicone to hold it in place on the outside of the tank exactly were i was going to drill. Without that guide i am sure i would have scratched the hell out of the side of the tank. Slow and easy and lots of water (couple of beer to calm the nerves doesn't hurt either
![]() ![]() Rich |