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Use from start up to the day of harvest—spray PM even while hanging up your final product
Use the easy to read meter to measure how much water is flowing out of the hose
C4 is predominately organic and has zero biological activity
Feather Meal
When paired with rigid Botanicare CT ABS trays
Apera GroStar pH Calibration Kit pH 4/7 JSAR50 Use from start up toGroStar 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
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