The Sure Test Pro pH Pen Meter is a reliable tool for testing the pH levels of water in hydroponic systems. With a precision of +/- 0.05 ATC, this pH test pen from the trusted brand Sure Test provides accurate readings for optimal plant growth. Ideal for home and garden enthusiasts looking to maintain the ideal pH levels in their outdoor living spaces, this product is a must-have for those interested in hydroponics and water aeration equipment.
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