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GroStar by Apera pH calibration kit (pH 4/7/10, 8 oz. each)
Kit Includes:
(1) pH 4.0 calibration solution 8 oz.
(1) pH 7.0 calibration solution 8 oz.
(1) pH 10.0 calibration solution 8 oz.
Microbe Life Hydroponics pH UP is formulated with R/O and UV sterilized water and combines two pH adjusters for buffered ...
SALE: Add to cart to see priceMAP: $14.39
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