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      Accessories-Water Filters / RO

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      RO water/Meters and solutions

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      72 Products
      Grow 1 Wireless weather station w/sensor

      Grow 1 Wireless weather station w/sensor

      The Grow1 Wireless Weather Station + Sensor is the perfect system to help keep track of the temperature and humidity in multiple grow rooms or greenhouses. The station comes with 1 sensor, but can pair with up to 3, each with a wireless range of up to 165

      In stock
      $ 32.95
      Extrememist pump sprayer 20oz

      Extrememist pump sprayer 20oz

      Our sprayers deliver up to 100 PSI, providing a better, finer, and more even mist compared to typical sprayers that only reach 15–45 PSI.

      Out of stock
      $ 27.11
      Grow1 collapsible water tank 13 gallons

      Grow1 collapsible water tank 13 gallons

      Grow1 Collapsible Water Tanks are here to revolutionize your water storage needs! Made of a flexible, heavy-duty, PVC material, these water tanks are capable of collapsing to provide an easy means of cleaning and transportation after use.

      Out of stock
      $ 66.17
      Hanna Calibration solution 4.0 and 7.0

      Hanna Calibration solution 4.0 and 7.0

      a set of premium quality pH 4.01 and 7.01 calibration buffers produced in accordance with ISO 3696/BS3978 standards using high purity salts, deionized water, certified weight-checked balances.

      In stock
      $ 22.00
      3000ml measuring cup

      3000ml measuring cup

      Sturdy, non-breakable food grade plastic cups with graduated metric markings and reinforced handle. Available in five convenient sizes.

      Out of stock
      $ 18.99
      bluelab PH 4.0 CALIBRATION SOLUTION

      bluelab PH 4.0 CALIBRATION SOLUTION

      250 ml of Calibration Solution pH 4.0

      In stock
      $ 15.99
      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 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
      Grow 1 extra sensor for wireless weather station

      Grow 1 extra sensor for wireless weather station

      This sensor pairs exclusively with the Grow1 Wireless Weather Station (part # 301005), displays the temperature and humidity readings, and has a range of up to 165 feet. A maximum of 3 sensors may be paired per station.
      ATTENTION. Grow1 sensors DO NOT WO

      In stock
      $ 15.95
      Hanna groline quick cal 120ml

      Hanna groline quick cal 120ml

      Hermetically sealed so that fresh solution is always used for accurate calibration.
      Combined pH and EC calibration solution.
      Size: 20ml

      Out of stock
      $ 14.11
      Hanna Groline storage solution 120ml

      Hanna Groline storage solution 120ml

      Store your pH electrode with the Hanna Instruments GroLine Storage Solution. Properly storing pH electrodes is vital to prolonging the life of your electrode while maximizing regular performance.

      Out of stock
      $ 14.11
      Hydrologic stealth RO 150 w/upgraded carbon filter

      Hydrologic stealth RO 150 w/upgraded carbon filter

      Power your hydroponic garden with clean water with the HydroLogic Stealth-RO150! This reverse osmosis system produces 150 gallons of ultra-pure water daily, removing 98% of contaminants for truly pure water.

      Out of stock
      $ 365.63
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