Hanna Instruments

HANNA Instruments — a worldwide company — has been designing and manufacturing a broad range of water testing equipment for the hydroponics industry.

Showing all 17 results

  • Champ pH Tester (HI 98106) 1

    Champ pH Tester

    Features an ergonomically enhanced casing and a large LCD which makes it …

    $62.95 $56.95
  • Electrode Cleaning Solution (HI 7061) 1

    Cleaning Solution

    Easy to use, just immerse the electrode in the cleaning solution for about 5 minutes.

    $19.95 $17.95
  • Electrode Storage Solution (HI 70300) 1

    Storage Solution

    To ensure fast response times and minimize clogging, always keep the glass …

    $19.95 $17.50
  • Gro'Chek Combo (HI 991404) 1

    GroChek Combo

    Continuously monitors the three most crucial nutrient parameters in hydroponic …

    $246.95 $183.50
  • Gro'Chek EC Meter (HI 983302N) 1

    GroChek EC

    Easy to use, just hang above the sample to be monitored or take it with you for …

    $114.95 $104.50
  • Gro'Chek pH Meter (HI 981401N) 1

    GroChek pH

    Originally designed for the greenhouse and hydroponics industry where the need …

    $114.95 $104.50
  • Gro'Chek pH Stick Tester (HI 981408) 1

    pH Stick

    Designed to be tough, the tester stick can be used to stir the solution being measured …

    $113.95 $102.50
  • Gro'Chek pH/TDS Meter (HI 981404N) 1

    GroChek pH/TDS

    Equipped with two large LCDs for easy-to-read measurements, even from …

    $210.95 $183.50
  • Gro'Chek TDS Meter (HI 983301N) 1

    GroChek TDS

    This water-resistant TDS meter features housing and cable connections that …

    $114.95 $104.50
  • HANNA Calibration Packets

    Calibration Packets

    Available in convenient 20 ml packets that are designed to keep solutions fresh.

    $1.50
  • HANNA Combo Tester

    Combo Tester

    Offers accurate pH, EC/ TDS and temperature measurements in one meter.

    $194.95 $178.95
  • HANNA EC/TDS Tester

    EC/TDS Tester

    The DiST5 (Dissolved Solids Tester) has a dual-level LCD that displays EC/ TDS and …

    $130.95 $117.95
  • HANNA pH Tester

    pH Tester

    Includes a pH electrode, electrode removal tool, batteries and complete …

    $132.95 $102.50
  • HANNA Portable Meter (HI9813-6N) 1

    Portable Meter

    Dials located on the front panel makes calibration quick and simple, even for …

    $283.95 $249.50
  • HANNA TDS Solution 1

    TDS Solutions

    Ensures maximum accuracy for HANNA conductivity meters and probes.

    $13.95 $12.95
  • PH Buffer Solution (HI 7007 & HI 7004) 1

    PH Solutions

    These quality pH buffer solutions are standardized against NIST reference …

    $18.95 $17.50
  • Primo TDS Tester 1

    Primo TDS Tester

    Afast and dependable way to measure the Total Dissolved Solids in water samples.

    $40.95 $36.95
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