It's my understanding that new glass will break along a score line better than old glass. I think this is due to the minute scratches and surface etching on old glass. This makes it harder to get the break to follow the line and not the scratches. I have had little success with either old or new glass, but once in a while I get lucky so I keep trying.
__________________
I retired and got a fixed income but it's broke.
Ed
_______________________________________
50 gallon FOWLR, 10 gallon sump.
130 gallon reef, 20 gallon sump, 10 gallon refugium.
10 gallon quarantine.
60 gallon winter tank for pond fish.
300 gallon pond with waterfall.
|