View Full Version : Tanks, Sumps & Refugiums Polarized filters
cephalotus
11-22-2010, 05:00 PM
I was on the other site and read you could use polarized filters to find out if glass is tempered. Does anyone have any information on this?
Sir Patrick
11-22-2010, 05:34 PM
I have heard the same, but have no info on the subject.
You have a glass shop close? Most glass shops will tell ya if its tempered or not.
cephalotus
11-22-2010, 05:50 PM
Yeah that  is the one thing I do have fairly close but dragging a 150 down to the glass shop is quite a chore.
  
I have heard the same, but have no info on the subject.
You have a glass shop close? Most glass shops will tell ya if its tempered or not.
Tom@HaslettMI
11-22-2010, 06:01 PM
Not sure if this applies but with my polarized sunglasses on car windows often look kind of checkered...
cephalotus
11-22-2010, 06:10 PM
I will stop at the glass shop tomorrow and ask them. Will post my results.
vittleking
11-22-2010, 06:48 PM
drill it with a hole saw, you'll find out that way LOL.
cephalotus
11-23-2010, 12:24 PM
I was hoping for a more economical approach.
drill it with a hole saw, you'll find out that way LOL.
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