$21.99 Refractometer for Battery, Anti-freeze, and DEF
Check out this $21.99 refractometer on Amazon. Lotta bang for the buck. Received it yesterday. Seems reasonably well-made and appears to work as advertised.
Forum Discussion
If I drew battery acid and placed it in the meter, and then washed it off, there is a 100 percent chance that I would have ruined clothing or worse.
