To drill or not to drill?

[reefwars]

Originally Posted by Kmarrs

It is definitely not tempered as the return is drilled through the bottom. Is there any major advantages having the tank drilled on the bottom versus it being on the side. I am really only concerned about the bottom pane having pressure from the water on one side and none on the side I was drilling.
Thanks.

they drill the holes and any glass work before tempering , doesnt mean its not tempered .

there are ways to tell using polarized glasses

cheers

denny