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      537 Products
      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 storage solution 20ml

      Hanna Groline storage solution 20ml

      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

      In stock
      $ 1.99
      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 soil ec tester

      Hanna Groline soil ec tester

      The HI98331 Soil Test™ is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature. With a compact size, single button operation, and automatic calibration, Soil Test is an excellent choice for taking direct conduct

      In stock
      $ 143.00
      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
      $ 99.00
      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 500ml

      Hanna Groline cleaning solution 500ml

      HI7061-050 is the GroLine general purpose cleaning solution that can be used for a variety of applications. Electrodes can become dirty from use and will produce inaccurate results even as they read correctly in a pH buffer. Hanna's cleaning solutions eli

      Out of stock
      $ 19.00
      Growers edge 3ft steal stake

      Growers edge 3ft steal stake

      Grow1 Steel Stake Plant Supports are ready for heavy lifting! Crafted with a steel core and coated with a high-density plastic, these stakes are strong, durable, and will withstand the absolute toughest conditions.

      Out of stock
      $ 29.40
      Grow 1 illuminated double loupe 30x & 60x

      Grow 1 illuminated double loupe 30x & 60x

      The Illuminated Double Loupe is great for on-the-go identification of pests and diseases on your plants so you can quickly and accurately resolve the problem. This microscope has 2 switchable LED lights (one for each magnification 30x & 60x) for maximum c

      In stock
      $ 14.99
      Grow1 240v single timer

      Grow1 240v single timer

      Single outlet mechanical timer. 15 minute on/off increments. 15 amp max load. 240V. UL approved.

      In stock
      $ 18.99
      Grow1 hps glasses

      Grow1 hps glasses

      Grow Room Ultra Violet Eliminators (GRUVE)

      Increase your eyes’ comfort and experience in the harsh conditions of the grow room environment! Protection and style are combined in this affordable pair of Grow Room Glasses, reducing your exposure to potent

      In stock
      $ 18.95
      Grow1 titanium curved blade

      Grow1 titanium curved blade

      These Titanium micro blade scissors come in 3 styles and feature a spring mechanism in the handle that is fully recessed so it won’t fall out!

      In stock
      $ 9.99
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