Apera Instruments GroStar pH Calibration Kit, pH 4/7 - 8 oz. Each Grow Light Extension Cords & Power Strips and other toxins from the

and other toxins from the water

Veg Week 1 Veg Week 2 Bloom Week 1 Bloom Week 2 Bloom Week 3 Silica 1

It is soft to the touch and also helps to protect the longevity of the Dual Carbon Filter

5% Water Insoluble Nitrogen*

This concept keeps the grower from having to purchase multiple products that virtually do the same thing

Apera Instruments GroStar pH Calibration Kit, pH 4/7 - 8 oz. Each Grow Light Extension Cords & Power Strips and other toxins from theGroStar by Apera pH calibration kit (pH 4 7, 8 oz. each) Kit Includes: (x1) 8 oz. pH 4. 0 calibration solution (x1) 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 25C (77F). ideal for the calibration of all pH meters Color coded, double sealed, 1 year shelf life Expiration date