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Meters

  • Original price $20.00
    Original price $20.00 - Original price $20.00
    Original price $20.00
    Current price $18.00
    $18.00 - $18.00
    Current price $18.00

    Mini Greenhouse Thermo-Hygrometer

    The Thermo-Hygrometer mounts to the side of your mini greenhouse and reads temperature and humidity inside the dome. It ensures that plants get the...

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    Original price $20.00
    Original price $20.00 - Original price $20.00
    Original price $20.00
    Current price $18.00
    $18.00 - $18.00
    Current price $18.00
    Save $2.00 Save $0.00
  • Original price $215.00 - Original price $215.00
    Original price
    $215.00
    $215.00 - $215.00
    Current price $215.00

    GroStar GS4 pH/EC/500ppm/700ppm/Temp (5-in-1) Combo Pen

    A lab-grade tool designed specifically for horticulture, this easy-to-use pen offers all the functionality you need. Quickly measure and calibrate ...

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    Original price $215.00 - Original price $215.00
    Original price
    $215.00
    $215.00 - $215.00
    Current price $215.00
  • Original price $46.50 - Original price $46.50
    Original price
    $46.50
    $46.50 - $46.50
    Current price $46.50

    HM Digital PH-80 pH/Temperature Meter

    An economically priced, reliable pH meter that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums &...

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    Original price $46.50 - Original price $46.50
    Original price
    $46.50
    $46.50 - $46.50
    Current price $46.50
  • Original price $60.00
    Original price $60.00 - Original price $60.00
    Original price $60.00
    Current price $53.00
    $53.00 - $53.00
    Current price $53.00

    Gardena Smart Flow Water Meter

    This water meter measures water usage daily, monthly, by season, or yearly. The LCD screen clearly displays information with measurements in liters...

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    Original price $60.00
    Original price $60.00 - Original price $60.00
    Original price $60.00
    Current price $53.00
    $53.00 - $53.00
    Current price $53.00
    Save $7.00 Save $0.00
  • Original price $139.00 - Original price $139.00
    Original price
    $139.00
    $139.00 - $139.00
    Current price $139.00

    GroStar GS3 EC Pen

    A lab-grade tool designed specifically for horticulture, this easy-to-use pen allows you to quickly measure and calibrate water EC, PPM (500), PPM ...

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    Original price $139.00 - Original price $139.00
    Original price
    $139.00
    $139.00 - $139.00
    Current price $139.00
  • Original price $139.00 - Original price $139.00
    Original price
    $139.00
    $139.00 - $139.00
    Current price $139.00

    GroStar GS1 pH Pen

    A lab-grade tool designed specifically for horticulture, this easy-to-use pen allows you to quickly measure and calibrate pH. Premium probe technol...

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    Original price $139.00 - Original price $139.00
    Original price
    $139.00
    $139.00 - $139.00
    Current price $139.00
  • Original price $24.00
    Original price $24.00 - Original price $24.00
    Original price $24.00
    Current price $17.00
    $17.00 - $17.00
    Current price $17.00

    P3 International Save a Drop Water Meter

    Over-watering plants and shrubs can diminish plant health. Use this easy-to-read meter to measure how much water is flowing out of the hose. While ...

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    Original price $24.00
    Original price $24.00 - Original price $24.00
    Original price $24.00
    Current price $17.00
    $17.00 - $17.00
    Current price $17.00
    Save $7.00 Save $0.00
  • Original price $75.99 - Original price $75.99
    Original price
    $75.99
    $75.99 - $75.99
    Current price $75.99

    HM Digital COM-100 Waterproof EC/TDS/Temp Combo Meter

    The COM-100 is a professional-level EC/TDS meter at an unbeatable price. It is ideal for all water quality testing, water purification applications...

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    Original price $75.99 - Original price $75.99
    Original price
    $75.99
    $75.99 - $75.99
    Current price $75.99
  • Original price $96.00 - Original price $96.00
    Original price
    $96.00
    $96.00 - $96.00
    Current price $96.00

    GroStar GS4-E replacement pH/EC combo electrode

    This replacement probe for the GroStar GS4 5-in-1 Combo Pen allows you to replace your pen's probe and extend the life of your tool. Premium probe ...

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    Original price $96.00 - Original price $96.00
    Original price
    $96.00
    $96.00 - $96.00
    Current price $96.00
  • Original price $65.00 - Original price $65.00
    Original price
    $65.00
    $65.00 - $65.00
    Current price $65.00

    GroStar GS3-E Replacement EC Electrode

    This replacement probe for the GroStar GS3 EC Pen allows you to replace your pen's probe and extend the life of your tool. Premium probe technologi...

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    Original price $65.00 - Original price $65.00
    Original price
    $65.00
    $65.00 - $65.00
    Current price $65.00
  • Original price $60.00 - Original price $60.00
    Original price
    $60.00
    $60.00 - $60.00
    Current price $60.00

    GroStar GS1-E Replacement pH Electrode

    This replacement probe for the GroStar GS1 pH Pen allows you to replace your pen's probe and extend the life of your tool. Premium probe technologi...

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    Original price $60.00 - Original price $60.00
    Original price
    $60.00
    $60.00 - $60.00
    Current price $60.00
  • Original price $24.00
    Original price $24.00 - Original price $24.00
    Original price $24.00
    Current price $19.00
    $19.00 - $19.00
    Current price $19.00

    Luster Leaf Digital Soil pH Meter

    Instantly measure pH with this handy tool. Details: Digital display Reads pH from 3.5 to 9.0 Instructions and plant pH preference list included

    Original price $24.00
    Original price $24.00 - Original price $24.00
    Original price $24.00
    Current price $19.00
    $19.00 - $19.00
    Current price $19.00
    Save $5.00 Save $0.00
  • Original price $21.00
    Original price $21.00 - Original price $21.00
    Original price $21.00
    Current price $17.00
    $17.00 - $17.00
    Current price $17.00

    Luster Leaf Digital Moisture Meter

    Instantly measure moisture level with this handy tool. Details: Digital display Moisture level measured on a scale from 0 to 9.9 Includes printed ...

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    Original price $21.00
    Original price $21.00 - Original price $21.00
    Original price $21.00
    Current price $17.00
    $17.00 - $17.00
    Current price $17.00
    Save $4.00 Save $0.00
  • Original price $35.00 - Original price $35.00
    Original price
    $35.00
    $35.00 - $35.00
    Current price $35.00

    HM Digital Replacement Platinum Sensor for COM-100

    A spare sensor for HM Digital EC/TDS/Temp Combo Meter model COM-100. Details: Features platinum TDS/EC sensor and thermister

    Original price $35.00 - Original price $35.00
    Original price
    $35.00
    $35.00 - $35.00
    Current price $35.00
  • Original price $220.00 - Original price $220.00
    Original price
    $220.00
    $220.00 - $220.00
    Current price $220.00

    GroStar GS2-E Replacement Soil Spear pH Electrode

    This replacement probe for the GroStar GS2 Soil Spear pH Pen allows you to replace your pen's probe and extend the life of your tool. Premium probe...

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    Original price $220.00 - Original price $220.00
    Original price
    $220.00
    $220.00 - $220.00
    Current price $220.00
  • Original price $310.00 - Original price $310.00
    Original price
    $310.00
    $310.00 - $310.00
    Current price $310.00

    GroStar GS2 Soil pH Pen

    A lab-grade tool designed specifically for horticulture, this easy-to-use pen allows you to quickly measure and calibrate pH and temperature in nut...

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    Original price $310.00 - Original price $310.00
    Original price
    $310.00
    $310.00 - $310.00
    Current price $310.00

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