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Ensure optimal water balance and acidity levels with this Digital Pen Type pH Meter. Designed for fast, reliable, and high-precision testing, this portable pocket tester measures pH levels across a wide variety of applications, including drinking water, aquariums, hydroponics, swimming pools, labora..

Ensure your water is safe, clean, and pure with this Digital TDS Water Quality Tester. Designed for fast and accurate readings, this portable handheld meter measures the Total Dissolved Solids (TDS) in your drinking water, aquariums, hydroponics, pools, and filtration systems.Key Features:• High Ac..