pH Calibration Solution Kit 3 8 oz bottles pH 4/7/10 seaweed extract more successful and more environmentally

more successful and more environmentally responsible gardener

UV PROTECTION UPF 50+: Say goodbye to sunburns while working in the garden

Best used as an addition to potting mix

Can be used on vegetable

pH Calibration Solution Kit 3 8 oz bottles pH 4/7/10 seaweed extract more successful and more environmentallyGroStar 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,