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Old 03/08/2018, 07:03 PM   #50
Registered Member
Join Date: Mar 2006
Location: Ottawa, Canada
Posts: 97
I've actually had exactly the described blowout hapoen.
I had drilled a series of 1" holes in the back panel of a 65 gal. It was surrounded by a glass overflow box, siliconed all around.
It didn't stop the crack that started at one hole and went right down to the bottom.
The tank had been in use for about 3 years with no issues, then one day it blew.
I didn't round or polish the edges of the holes, and I'm not sure if that would have helped prevent it.

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