GroStar by Apera pH calibration kit (pH 4/7, 8 oz. each)
(1) 8 oz. pH 4.0 calibration solution
(1) 8 oz. pH 7.0 calibration solution
- 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 25˚C (77˚F). ideal for the calibration of all pH meters
- Color-coded, double-sealed, 1-year shelf life
- Expiration date and temperature/ph reference chart provided for reference
- Non-hazardous product
- Calibration Solution should be stored in a cool place out of direct sun and heat.