Undrilling a drilled tank

iamntbatman

Yeah, that sounds like a better idea than my original plan of just putting discs (or squares) on this inside and outside and filling the inside with silicone.

rsheets

You could get some glass, and silicone it over the holes. I would not trust just plain silicone covering up the hole.

Angel079

Oh def not! I'd do plexi-glas the same thickness as your tank glass is (advantage between that and the plugs from the pluming section: Its clear not colored white).