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0-14 pH Electrode Probe BNC Connector, 300cm Cable for PH Meter – Gain Express Wholesale Deals
Digital pH / ORP mV / Temperature Meter Water Quality Tester with ATC Replaceable pH ORP Electrode Detachable Temperature Probe
pH Monitor Digital Water Quality Meter Tester Replaceable Electrode – Gain Express
PHM-295 2-in-1 Combo pH & Temperature Meter Fish Tank Monitor Thermome – Gain Express
pH Monitor Meter ATC 0~14pH Power Adaptor Tester Aquarium Hydroponics – Gain Express Wholesale Deals
pH Monitor Digital Water Quality Meter Tester Replaceable Electrode – Gain Express
PHM-300 Digital Pen type pH Meter Water Quality Liquid Acidity Tester – Gain Express Wholesale Deals
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GAIN EXPRESS Waterproof pH Meter pH Pen Ultra-Long Electrode for Soil, Water, Food, Dual Display with ATC One-Touch Auto Calibration Data Hold Function (Multi-Functional pH Meter): Amazon.com: Industrial & Scientific
