GroStar pH calibration kit (pH 4/7/10, 8 oz. each) Hydroponic 5 Year Limited Warranty

5 Year Limited Warranty

This key factor drives our development team to produce the cleanest most natural product on the market……

making them both saprophytic and parasitic

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Will not clog drippers or sprayers

GroStar pH calibration kit (pH 4/7/10, 8 oz. each) Hydroponic 5 Year Limited WarrantyProduct Details GroStar by Apera pH calibration kit (pH 4 7 10, 8 oz. each) Kit Includes: (1) pH 4. 0 calibration solution 8 oz. (1) pH 7. 0 calibration solution 8 oz. (1) pH 10. 0 calibration solution 8 oz. pH measuring equipment must be cleaned and calibrated regularly to ensure accurate readings High accuracy (0. 01 pH): standardized against NIST Certified pH references within 0. 01 pH at 25C (77F). ideal for the calibration of all pH meters Color