Camco Refractometer

Camco's freeze check Refractometer is an economical, highly accurate instrument for testing the point at which antifreeze solutions begin to solidify. No charts, graphs or conversions are necessary. It eliminates guesswork, reassuring the user that the unit is protected to the desired level. It saves money by eliminating the over-use of antifreeze and verifying proper protection. It is recommended for use with winterization methods where propylene glycol based antifreezes are used. Features: * Recommended for use with winterization methods where propylene glycol based antifreezes are used * Eliminates guesswork * Economical, highly accurate instrument for testing the point at which antifreeze solutions begin to solidify * No charts, graphs, or conversions necessary * Save money by not adding too much or too little antifreeze