the maggot
New member
I'd like to drill my tank for a sump but not sure if I can. It's a marineland and has a tag on the bottom pane saying tempered do not drill.
Now is that just the bottom pane or all panes?
Is there a way to tell if glass is tempered?
Now is that just the bottom pane or all panes?
Is there a way to tell if glass is tempered?