Protable LCD Digital PH Meter Pen of Tester accuracy 0.01 Aquarium Pool TDS Water Wine Urine automatic calibration 40%off new

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PH Meter Calibration Powder With Durable Moisture-Proof Individual Packet For Testing The Ph of Your Beer Or Wine C: 4.00 Powder

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Portable Ph Meter Tester For //lawns/vegetables

Professional Soil Moisture Meter With 4 Functions: Test Soil Moisture, Ph Value, Temperature, And Sunlight Intensity (without Battery)

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