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