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      23 Products
      Hanna Groline quick cal 230ml

      Hanna Groline quick cal 230ml

      solution for use with Hanna's GroLine pH and/or EC/TDS meters. Using the Quick Cal function found in compatible meters allows for a single point calibration for pH and/or conductivity sensors. Each bottle has the lot number and expiration date.

      Out of stock
      $ 17.95
      Hanna light meter

      Hanna light meter

      The Hanna Digital Light Meter has been designed for simplicity of use in taking rapid light measurements. The HI 97500 is provided with a light sensor connected by a flexible coaxial cable which allows remote, stable and optimum position measurement of li

      In stock
      $ 140.00
      Hanna Groline ph tester

      Hanna Groline ph tester

      The GroLine HI98118 pH/temperature tester is our latest pocket meter for measuring the pH of a hydroponic nutrient solution. This modern looking meter is only 0.7" thick and extremely ergonomic, fitting comfortably in your hand. The HI98118 has a very lar

      In stock
      $ 99.99
      Hanna Groline wall mount ph/ec/tds/temp

      Hanna Groline wall mount ph/ec/tds/temp

      The HI981420 GroLine Monitor for Hydroponic Nutrients provides around-the-clock, continuous monitoring of pH, conductivity (EC & TDS), and temperature in hydroponic nutrient solutions. Quick to setup, simple to use, this monitor was designed with Hydropon

      In stock
      $ 435.00
      Hanna Groline quick cal solution 500ml

      Hanna Groline quick cal solution 500ml

      HI5036-050 is a quick calibration solution for use with Hanna's GroLine pH and/or EC/TDS meters. Using the Quick Cal function found in compatible meters allows for a single point calibration for pH and/or conductivity sensors. Each bottle has the lot numb

      Out of stock
      $ 19.00
      Hanna Groline storage solution 230ml

      Hanna Groline storage solution 230ml

      HI70300-023 is a GroLine storage solution prepared with reagent grade chemicals that can be used to ensure optimum performance of your pH and ORP electrodes. It is necessary to store a pH electrode in a solution in order to keep the glass membrane of the

      In stock
      $ 16.00
      Hanna soil ph tester

      Hanna soil ph tester

      Designed to bring simplicity to pH testing of soil, the HI981030 GroLine Soil pH Tester is designed for taking direct pH measurements in soil for environmental and agricultural testing.

      In stock
      $ 143.00
      Hanna Groline quick cal solution 20ml

      Hanna Groline quick cal solution 20ml

      HI50036P is a quick calibration solution for use with Hanna's GroLine pH and/or EC/TDS meters. Using the Quick Cal function found in compatible meters allows for a single point calibration for pH and/or conductivity sensors. Each sachet has the lot numbe

      In stock
      $ 1.56
      Hanna Groline ec/tds meter

      Hanna Groline ec/tds meter

      The HI98318 is our latest pocket meter for measuring the EC/TDS of a hydroponic nutrient solution. This modern looking meter is only 0.7" thick and extremely ergonomic, fitting comfortably in your hand. The HI98318 has a very large easy to read LCD displa

      Out of stock
      $ 94.00
      Hanna Groline portable ph/tds/temp

      Hanna Groline portable ph/tds/temp

      Designed to bring simplicity to nutrient testing, the HI9814 Portable GroLine Meter is designed specifically for Hydroponic growers. The specialized electrode combines 3 sensors in a single rugged probe featuring a polypropylene body, integrated temperatu

      In stock
      $ 324.99
      Hanna Groline cleaning solution 230ml

      Hanna Groline cleaning solution 230ml

      HI70061G is a high quality cleaning solution designed with hydroponics, aquaponics, and greenhouses in mind. Single-use sachets are highly portable, with a small footprint and a lightweight design. They are the perfect accessory for your on-the-go testing

      Out of stock
      $ 16.00
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