Quote Originally Posted by 2-Tone View Post
I broke one of my glass testers and needed to check something quick.

I used this. http://hagensdiy.blogspot.com/2012/0...nt-tester.html

It actually was just as accurate for those that like diy.

Another option http://www.audizine.com/forum/showth...r-fuel-station
Thanks for the tip! Im going to look into that. I usually get it from 2 different places so Ill check at both.