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Started by Andy

How to make sure you can drill bulkheads?

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Jan 24, 2021 OP
Thread Starter #1
How do you all make sure that the glass you are going to drill, is well, drillable? I have looked at a few tanks and there isn’t any single way to see if they are tempered or not which is annoying.

Any tricks or tips to see how I can tell without actually drilling or damaging the bottom (since if it is tempered I’d rather not have to replace the glass just for a test).

Thanks fish fam! 1f606
Jan 25, 2021
#2
From a friend who does this all of the time;

Put polarized sunglasses on and look at a known peice of tempered glass compared to a known non-tempered peice of glass.

I believe it looks similar to the reflective rainbow I see when I look at my trucks side glass which is tempered.I believe it looks similar to the reflective rainbow I see when I look at my trucks side glass which is tempered.


Otherwise I’d highly recommend on calling the manufacturer and seeing what they say.

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