Apera GroStar EC Calibration Kit 2.77EC Bubble Hash Extractor There’s no need to be

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Float switch terminals for easy set-up

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Storage pouch doubles as lens-cleaning cloth

Apera GroStar EC Calibration Kit 2.77EC Bubble Hash Extractor There’s no need to beGroStar 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