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Amazon.com : bluelab pH Pen-Digital pH Tester - Reliable & Accurate for High Yield Crops - Hand-Held Meter - Measures pH & Temperature in Solutions and Soil Solutions - Optimize Plant Health
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Amazon.com : bluelab pH Pen-Digital pH Tester - Reliable & Accurate for High Yield Crops - Hand-Held Meter - Measures pH & Temperature in Solutions and Soil Solutions - Optimize Plant Health
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Bluelab PENPH Pen PH Test Kit Review - Best Probe Test Kit For Hydroponic System And Indoor Plant Grow | GARDENS NURSERY
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Buy Bluelab PENGTB Grower's Toolbox with pH Pen, Conductivity Tester and Probe Care Kit, Easy Calibration, Digital Meters for Hydroponic System and Indoor Plant Grow Online at Lowest Price in Ubuy Greece.
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Is this how a NEW Bluelab pH pen is supposed to arrive? This is the replacement for the first one i bought that looks the same : r/Hydroponics
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