Apera GroStar EC Calibration Kit 2.77EC Hand Tools Ideal for systems where either

Ideal for systems where either larger flow or a where a stand-by pump is required

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the PHENO uses 176w and puts out 40% of the photon flux

filter life compensating smart fan

sporting concealed flex-hinges

Apera GroStar EC Calibration Kit 2.77EC Hand Tools Ideal for systems where eitherGroStar 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