Opened, But Brand New, Never Even Used... Essentials pH Pen Digital Meter Tester Stick is a must-have for hydroponics enthusiasts looking to manage their nutrient levels effectively. This organic-based solution is ready for use and features a digital display for easy monitoring. Compatible with all-purpose plants, this reusable pH calibration solution ensures that your plants receive the ideal level of nutrients for optimal growth and health. Ideal for those seeking precision in their gardening practices, this Essentials product is a reliable tool for maintaining the perfect pH levels in your hydroponic system.
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