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    Bluetooth WiFi 5 in 1 Water Quality Tester Monitor PH TDS TEMP EC SG Salinity Analyzer LCD PH Meter for Drinking Water Aquarium

    $160.955 $81.485
    New
    324

    SM1 Single/TRM1 Triple TDS Meter Online Water Quality Tester Digital 0-9990ppm TDS Monitor for Aquarium Laboratory

    $80.855 $39.86
    New
    324

    4 in 1 PH Water Quality Tester Temp EC ORP Monitor Conductivity Meter Hydroponics Detection With 2 Electrode Probe Sensor HM-100

    $618.95 $298.145
    New
    324

    5 In 1 Water Quality Tester Digital PH Meter TDS EC Meter Salinity Temperature Tester Water Filter Purity Pen with Backlight

    $61.7 $31.85
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    324

    Handheld Glycol Refractometer Antifreeze Car 1-1.4 Battery Acid Engine Coolant Tester Tool Fluid Refractometer Tester ATC

    $35.42 $18.035
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    324

    TDS Meter Digital Water Quality Tester Digital 0-14 PH Meter Tester 0-9990ppm TDS&EC LCD Water Purity PPM Aquarium Filter

    $12.875 $7.22
    New
    324

    7 In 1 Digital Water Quality Tester ORP PH TDS EC Meter Salinity SG Temperature Tester Water Filter Purity Pen with Backlight

    $74.09 $36.605
    New
    324

    3L Mini Magnetic Stirrer with Stir Bar Liquid Mixer 3000RPM Brushless DC Motor Magnetic Mixer Laboratory Supplies

    $133.76 $45.485
    New
    324

    ZFX-WT01 WIFI Remote Control Thermostat Smart Digital Temperature Controller LED Display Heat/Cooling Instrument With Probe

    $63.41 $32.09
    New
    324

    Digital Food Ph Meter Soil Ph Tester with Sharp Glass Electrode Water Quality Analysis Tool for Water Milk Cheese Aquarium

    $124.43 $60.77
    New
    324

    Handheld Alcohol Sugar Refractometer Tester Wine Concentration Meter Densitometer 0-25% Alcohol Beer 0-40% Brix Grapes Testing

    $34.025 $17.045
    New
    324

    80 Strips/pack PH Test Strips Full PH Meter 1-14pH Indicator Litmus Tester Paper Water Soil Acidity Test Kit DIY Craft Soap

    $6.41 $4.07
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    324

    100pcs PH Test Paper Universal Full Range Litmus Paper 1-14 Acidic Alkaline Indicator Food Lab Soil Aquarium Water Tester

    $11.285 $6.545
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    324

    50kg/10g Digital Luggage Scale Electronic Portable Suitcase Travel Weighs with Backlight Electronic Travel Hanging Scales

    $18.335 $9.515
    New
    324

    Handheld 0-90% Sugar Refractometer Brix Refratometro for Fruit Juice Liquids Sugar Content ATC Measurement Tool with Retail Box

    $50.06 $25.07
    New
    324

    GM-pro Smart Moisture Meter For 25 Kinds Grains Humidity Tester Corn Wheat Bean Peanut Seed Coffee Moisture Meter LCD Display

    $622.91 $306.245