GroStar EC Calibration Kit (2.77 EC, 8 oz. each)

GroStar by Apera EC Calibration Kit (2.77 EC, 8 oz. each). • 2.77 EC conductivity standard calibration solution. • Used as a reference or checking solution to ensure you have adequately cleaned the EC/ppm probe. • Calibration Solution should be stored in a cool place out of direct sun and heat. • Non-hazardous product. • Please keep out of reach of children. • Made in USA.