Question about working with glass.

Use a knife to carefully pry the side open. Point the knife away from you while you do this, so if you slip, you won't end up gashing yourself.
 
lay it on a flat surface, use a square and glass etching tool and score the class where it needs to be cut. Using pliers, snap off the glass by only hanging the 1/4" over the edge of your flat surface and supporting the remaining glass.
 
I water tested the tank i made this weekend as well as my 35g that i resealed last week and both hold water.
I think i'm going to use the tank i made as a betta home it's a 7g tank measuring 16"x10"x10".
 
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