Product Details: 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
