Apera GroStar pH Calibration Kit pH 4/7 Clone Plug The Chikamasa B-500SKF are straight

The Chikamasa B-500SKF are straight

ProKure G fast-release gas — The chlorine dioxide breakthrough technology that controls odor-causing bacteria

the PX2 can control 512 digital HID fixtures (256 per zone)

Use Pro pH UP or Pro pH DOWN to effectively adjust the pH of nutrient solutions or irrigation water

Positive pressure drain allows proper drainage without the need for a drain trap

Apera GroStar pH Calibration Kit pH 4/7 Clone Plug The Chikamasa B-500SKF are straightGroStar 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