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Fluorine makes the blades on the Chikamasa B-500SRFP sap resistant
wall mount housing
Steel frame and aluminum blades for maximum durability
Hydrofarm's Commercial Heat Mat helps maximize your growing area by letting you daisy chain up to 4 of the MTMDA add-on units to this one
Apera GroStar pH Calibration Kit pH 4/7 HGC700597 Fluorine makes the blades onGroStar 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