Apera GroStar pH Calibration Kit pH 4/7/10 GMGP886 The durable stainless steel design

The durable stainless steel design and is perfect for long term storage of botanical

Positive pressure drain allows proper drainage without the need for a drain trap

as an amendment

for a full range of plant types

Made from premium Japanese components and technology

Apera GroStar pH Calibration Kit pH 4/7/10 GMGP886 The durable stainless steel designGroStar 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