Quote:
Originally Posted by reefwars
not necessarily , they drill the holes before tempering the glass .
are the edges polished pat?
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I've never seen a factory drilled tank that was drilled on the back let alone tempered on the back
But that being said there are always exceptions
I'd say 80% chance it wouldn't be tempered
That being said your statement is correct in lots of cases, like by rr 72 bowfront
Factory drilled bottom with tempered bottom which I find to be real common on bowfronts