Apera Instruments GroStar pH Calibration Kit, pH 4/7 - 8 oz. Each Grow Light Extension Cords & Power Strips This concept keeps the grower

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

If you want to increase the height of your LITE LINE grow tent to 7'7"

Fulvic acid similarly transports nutrients into cells

convenient carry handle

5% Water Insoluble Nitrogen*

Apera Instruments GroStar pH Calibration Kit, pH 4/7 - 8 oz. Each Grow Light Extension Cords & Power Strips This concept keeps the growerGroStar 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