D dannyafoster Member Market Messages 204 Reaction score 0 Feb 3, 2012 #1 how do i know if its tempered or not its an older 55g. should it be in the back or on bottom. whats the difference?
how do i know if its tempered or not its an older 55g. should it be in the back or on bottom. whats the difference?
S superclown Active Member Market Messages 1,283 Reaction score 0 Feb 3, 2012 #2 I think looking at it through a polarized lens
J jbdreefs Active Member Market Messages 1,257 Reaction score 6 Feb 3, 2012 #3 SuperClown;734383 wrote: I think looking at it through a polarized lens Click to expand... +1 google it and several sites will pop up with different test you can do.
SuperClown;734383 wrote: I think looking at it through a polarized lens Click to expand... +1 google it and several sites will pop up with different test you can do.
