pH Calibration Solution Kit 3 8 oz bottles pH 4/7/10 seaweed extract Can be used on vegetable

Can be used on vegetable

flowers and fruit

Best used as an addition to potting mix

more successful and more environmentally responsible gardener

pH Calibration Solution Kit 3 8 oz bottles pH 4/7/10 seaweed extract Can be used on vegetableGroStar by Apera pH calibration kit (pH 4 7 10, 8 oz. each) Kit Includes: (x1) 8 oz. pH 4. 0 calibration solution (x1) 8 oz. pH 7. 0 calibration solution (x1) 8 oz. pH 10. 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 25C (77F). ideal for the calibration of all pH meters Color coded,