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Review on Antifreeze Coolant Refractometer Automobile Windshield by Morgan Gilmore

Revainrating 5 out of 5

Great price for such a versatile tool

I use it all the time to make sure the DEF I buy is the right concentration. There are stories of people buying DEF, using it, and returning water containers, which can result in costly repairs. I also use it to check the specific gravity of my RV batteries and to check the coolant protection level.

Pros
  • Best
Cons
  • poorly thought out