Apera Instruments GroStar EC Calibration Kit, 2.77 EC - 8 oz. Portable Air Conditioners Aphids - Bean Aphid

Aphids - Bean Aphid

Four-stage RO system designed and engineered specifically for indoor hydroponic growers and outdoor growing

Connecting Your Sensor Probes To The PHX Controller

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Apera Instruments GroStar EC Calibration Kit, 2.77 EC - 8 oz. Portable Air Conditioners Aphids - Bean AphidGroStar 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