Overflow Question

axe_man16 · #1 02-17-2011, 04:17 AM

To test if your tank is tempered, you will need polarized sunglasses, and a source of light. A laptop or better yet the sun. When you put the glasses on and tilt your head the pane shows stress marks nd gets darker (if tempered).

Maverick00 · #2 02-17-2011, 04:21 AM

Quote:

Originally Posted by axe_man16

To test if your tank is tempered, you will need polarized sunglasses, and a source of light. A laptop or better yet the sun. When you put the glasses on and tilt your head the pane shows stress marks nd gets darker (if tempered).

ill give that a shot tomorrow!