Apera EC calibration kit (2.77EC, 8oz.)

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