Active Air 2-Way pH & Moisture Meter

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Active Air Product Documents MGMP1 Product Info Gardeners can conveniently test their moisture, and pH levels with the handy ActiveAir 2-Way Meter. Moisture readings register on a scale of 0 (dry) to 10 (moist), and pH readings between pH 0 (acidic) and pH 10 (basic) are represented. The durable, easy-to-read tester is suitable for indoors or out and needs no batteries to operate. DO NOT LEAVE IN SOIL. CLEAN PRONGS AFTER EACH USE. Show more