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#8
11-27-2013, 01:53 AM
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+1 on the wooden jig, i made mine out of a 2x4 with a "water inlet" on the top of the hole and "water outlet on the bottom of the hole using a file. You have 5/16" to work with per side which should be plently as long as you go slow and keep the drill as straight as possible clearing the glass "dust" from time to time.
Lots of info on the net on how to test for tempered glass, I thought it had to do with looking at the glass with polarized sunglasses with a smartphone screen illuminated on the other side. I personally wouldnt touch tempered glass.
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 - 33 Gal - 20Gal Sump, MP10/Hydor Powerheads, Aquaticlife 4x T-5HO, Vertex IN100, TLF w/Biopellets, Tunze ATO -45GAL Build in Progress!- 
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