Apera GroStar pH Calibration Kit pH 4/7/10 HGC733954 After saturation of entire plant

After saturation of entire plant

then begin using at the rate of two teaspoons per gallon of water every other time you water

3-prong grounded plug

6' power cord with 2-prong UL plug

can also be used as foliar spray)

Apera GroStar pH Calibration Kit pH 4/7/10 HGC733954 After saturation of entire plantGroStar 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