Apera GroStar pH Calibration Kit pH 4/7 HGC700597 apply drenches toward the end

apply drenches toward the end of irrigation period

2 GMGP664 RapidRIZE Block 6"x6"x4" 144 2

How it works: Natural salts and fatty acids derived from rosemary extracts disrupt the insect cell structure

or punch several small holes in the cap and place in desired location

Steel frame and aluminum blades for maximum durability

Apera GroStar pH Calibration Kit pH 4/7 HGC700597 apply drenches toward the endGroStar by Apera pH calibration kit (pH 4 7, 8 oz. each) Kit includes: (1) 8 oz. pH 4. 0 calibration solution (1) 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