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*Shipping & Return Policy*
*Shipping & Return Policy*

Hanna

  • GroLine Cleaning Solution

    Hanna
    from $16.00

    GroLine general purpose cleaning solution that can be used for a variety of applications. Electrodes can become dirty from use and will produce ina...

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    from $16.00
  • GroLine Monitor for Hydroponic Nutrients with Inline Probe

    Hanna
    $505.00

    The HI981421 GroLine Monitor for Hydroponic Nutrients provides around-the-clock, continuous monitoring of pH, conductivity (EC & TDS), and temp...

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    $505.00
  • Groline pH 4.01 Calibration Solution

    Hanna
    from $16.00

    high quality pH 4.01 calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. Hanna calibration buffers have the lot ...

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    from $16.00
  • Groline pH 7.01 Calibration Solution

    Hanna
    from $16.00

    Groline pH 7.01 Calibration Solution is a high quality pH 7.01 calibration buffer that is NIST traceable and supplied with a Certificate of A...

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    from $16.00
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    GroLine pH/EC/TDS Multiparameter Probe

    Hanna
    $169.00

    The HI1285-8 multiparameter probe measures pH, EC/TDS, and temperature in one convenient, rugged probe. Use with the HI981420 GroLine Monitor...

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    $169.00
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  • GroLine Storage Solution

    Hanna
    from $16.00

    GroLine storage solution prepared with reagent grade chemicals that can be used to ensure optimum performance of your pH and ORP electrodes. It is ...

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    from $16.00
  • Sold out

    GroLine Waterproof pH Tester

    Hanna
    $79.00

    The GroLine HI98118 pH/temperature tester is our latest pocket meter for measuring the pH of a hydroponic nutrient solution. This modern look...

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    $79.00
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    GroLine Waterproof Portable pH/EC/TDS Meter

    Hanna
    $259.00

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

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    $259.00
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  • Hanna Groline HI981420 Nutrient Monitor

    Hanna
    $395.00

    Hanna Groline HI981420 Nutrient Monitor The HI981420 GroLine Monitor for Hydroponic Nutrients provides around-the-clock, continuous monitoring of p...

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    $395.00
  • Sold out

    pH/EC/TDS Multiparameter Probe for use with HI9814

    Hanna
    $149.00

    The HI1285-7 is a 3-in-1 pre-amplified multiparameter probe that measures pH, EC/TDS, and temperature within a single polypropylene body. The...

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    $149.00
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    Soil Test Direct Soil Conductivity Tester

    Hanna
    $119.00

    The HI98331 Soil Test™ is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature. With a compact size, si...

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    $119.00
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