Posted by gmharris [69.231.17.57] on Thursday, November 06, 2014 at 11:17:42 :
In Reply to: antifreeze tester posted by Glen of Idaho [70.41.236.37] on Thursday, November 06, 2014 at 10:31:55 :
Short of buying a refractometer, the best ones are the old glass hydrometers like the Edelman. But, the problem with is the rubber begins to crack on the older ones. Nice tools to use though and no problem with accuracy.
Make sure they have a scale for the type of anti-freeze you use.