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and other organic matter that has been lodged in the system
A curved tip allows you to reach hard-to-manage places
Store closed in original packaging at a temperature between 45° F and 85° F
large capacity & ergonomic
Apera GroStar pH Calibration Kit pH 4/7/10 Plagron Nutrients and other organic matter thatGroStar 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 coded, double