tank drilling

[cwb_reeftank]

ok this might be dumb to ask but would it be safe to drill it now that I've had it set up for roughly 4-5 years?

 

[KStatefan]

ok this might be dumb to ask but would it be safe to drill it now that I've had it set up for roughly 4-5 years?

That will not make a tempered glass safe to drill.

 

[cwb_reeftank]

If it's non tempered would it effect that

 

[jh2pizza]

I drilled our 180 that was 15+ years old with no issues.