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      Accessories-Water Filters / RO

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      58 Products
      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 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

      In stock
      $ 19.00
      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
      Ph 7.01

      Ph 7.01

      a high quality pH 7.01 calibration buffer produced in accordance with ISO 3696/BS3978 standards using high purity salts, deionized water, certified weight-checked balances.

      In stock
      $ 18.50
      Ph 4.01

      Ph 4.01

      a high quality pH 4.01 calibration buffer produced in accordance with ISO 3696/BS3978 standards using high purity salts, deionized water, certified weight-checked balances.

      Out of stock
      $ 18.50
      Ac infinity air pump one outlet

      Ac infinity air pump one outlet

      An air pumping system designed for hydroponics settings to improve growth by enrichening oxygen levels.
      Innovative electromagnetic motor maximizes air pressure and volume while reducing energy consumption.

      In stock
      $ 16.99
      General hydroponics ph down gallon

      General hydroponics ph down gallon

      The Acid formulation uses food grade Phosphoric acid to lower the pH to the proper level. Widely recognized as a consistent and reliable product.

      In stock
      $ 36.99
      Stealth ro 150gph membrane

      Stealth ro 150gph membrane

      Stealth-ro150/300 RO membrane reduces 89%+ of ppm of total dissolved solids.

      In stock
      $ 165.60
      Hydrologic catalytic carbon filter

      Hydrologic catalytic carbon filter

      Stealth-ro150/300 RO membrane reduces 89%+ of ppm of total dissolved solids.

      In stock
      $ 58.34
      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
      Hanna Groline storage solution 500ml

      Hanna Groline storage solution 500ml

      GroLine storage solution that can be used to store your pH electrode*. To ensure an optimum response time, the glass sensor tip and the reference junction of the pH electrode should be kept moist and not be allowed to dry out when not in use.

      Out of stock
      $ 19.00
      Hydroflow black vinyl tube 5/8” OD

      Hydroflow black vinyl tube 5/8” OD

      Hydro Flow Black Vinyl Tubing

      Premium excellent quality vinyl tubing. Made in the USA.

      In stock
      $ 47.99
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