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Meters & Solutions

  • Bluelab 4.0 pH Calibration Solution
    from $1.80

    Bluelab 4.0 pH Calibration Solution

    Calibration and conductivity standard solutions... a must in every grower's toolbox. The Bluelab calibration and conductivity standard solutions ar...

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    from $1.80
  • Bluelab 7.0 pH Calibration Solution
    from $1.80

    Bluelab 7.0 pH Calibration Solution

    Calibration and conductivity standard solutions... a must in every grower's toolbox. The Bluelab calibration and conductivity standard solutions ar...

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    from $1.80
  • Hanna GroLine Hydroponic Waterproof Pocket pH/EC/TDS/Temperature Tester
    $195.00

    Hanna GroLine Hydroponic Waterproof Pocket pH/EC/TDS/Temperature Tester

    The HI98131 is a slim, lightweight, and waterproof pocket tester that measures pH, conductivity (EC), TDS (ppm), and temperature. Simple, two-butto...

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    $195.00
  • Bluelab pH Probe KCl Storage Solution
    from $11.95

    Bluelab pH Probe KCl Storage Solution

    The perfect solution to store and hydrate your Bluelab pH products. Bluelab knows it is extremely important to care for and store pH probes correct...

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    from $11.95
  • Bluelab pH Pen
    $112.50

    Bluelab pH Pen

    The ultimate handy solution for measuring pH! Plants get their nutrition from minerals but they can only get all the right minerals they need if ce...

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    $112.50
  • Hanna GroLine Hydroponics pH Tester
    $59.00

    Hanna GroLine Hydroponics pH Tester

    The HI98115 is a GroLine pH tester with advanced features for the measurement of pH in hydroponic nutrient solutions. The HI98115 is a very simple ...

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    $59.00
  • Hanna GroLine Waterproof Portable pH/EC/TDS Meter
    $309.99

    Hanna GroLine Waterproof Portable pH/EC/TDS Meter

    Designed to bring simplicity to nutrient testing, the HI9814 Portable GroLine Meter is designed specifically for Hydroponic growers. The specialize...

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    $309.99
  • Hanna GroLine Monitor
    $389.00

    Hanna GroLine Monitor

    The HI981420 GroLine Monitor for Hydroponic Nutrients provides around-the-clock, continuous monitoring of pH, conductivity (EC & TDS), and temp...

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    $389.00
  • Bluelab Growers Toolbox
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    $206.00
    $186.00

    Bluelab Growers Toolbox

    The Bluelab® Grower’s Toolbox combines the essential tools you need to easily manage your crop by measuring the pH, conductivity (ppm) and...

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    $206.00
    $186.00
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  • Bluelab Original Truncheon® Nutrient Meter
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    $140.00
    $126.00

    Bluelab Original Truncheon® Nutrient Meter

    With its super tough, high-quality, fully waterproof design, no calibration required, daylight readable blue LEDs and no on/off buttons to...

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    $140.00
    $126.00
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  • Bluelab® Guardian Monitor
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    $400.00
    $360.00

    Bluelab® Guardian Monitor

    Adjustable brightness display. Large easy-to-read, plant-safe green LED displays. Selectable values for conductivity and temperature. S...

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    $400.00
    $360.00
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  • Bluelab Replacement pH Probe for Guardian, Combo, & pH Meter
    $70.00

    Bluelab Replacement pH Probe for Guardian, Combo, & pH Meter

    Easy to clean because of its bullet shaped glass bulb. Fully waterproof and less fragile than all-glass electrodes because of its tough polypropyle...

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    $70.00