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      Accessories-Water Filters / RO

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      RO water/Meters and solutions

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      75 Products
      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
      $ 38.99
      Bluelab PH 7.0 Calibration solution

      Bluelab PH 7.0 Calibration solution

      250 ml of Calibration Solution pH 7.0

      In stock
      $ 15.99
      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
      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
      Hydroflow rubber grommet 1/2”

      Hydroflow rubber grommet 1/2”

      Choose from the 4 sizes of Hydro Flow grommets to fit your needs
      Made from rubber
      Sold in bag or case quantities only
      Choose from the 4 sizes of Hydro Flow Grommets to fit your needs
      Made from rubber
      Easy seal application makes these a breeze to inst

      In stock
      $ 0.69
      Hydroflow rubber grommet 3/4”

      Hydroflow rubber grommet 3/4”

      Choose from the 4 sizes of Hydro Flow grommets to fit your needs
      Made from rubber
      Sold in bag or case quantities only
      Choose from the 4 sizes of Hydro Flow Grommets to fit your needs
      Made from rubber
      Easy seal application makes these a breeze to inst

      In stock
      $ 0.79
      Netafim techflow emitter w/nipple outlet 2 gph

      Netafim techflow emitter w/nipple outlet 2 gph

      The unique design of the Netafim Techflow Emitters regulates flow and provides continuous self-cleaning action during operation.

      In stock
      $ 0.79
      Bluelab ph 7.0 500ml

      Bluelab ph 7.0 500ml

      pH instruments must be cleaned and calibrated at least monthly to provide you with the most accurate reading.

      pH measuring equipment is calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope).

      In stock
      $ 24.99
      Stealth R0 green

      Stealth R0 green

      Use the Stealth RO Replacement membrane when your flow rate decreases or your PPM increases. The Stealth RO membrane will remove 98%+ of PPM of Total Disolved Solids.

      In stock
      $ 26.99
      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 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

      In stock
      $ 16.00
      Hydrologic stealth RO membrane

      Hydrologic stealth RO membrane

      Test the RO and source/inlet water to see what percentage of the inlet water’s PPM the Stealth-RO150 is filtering out (rejection %). You should see approximately 98% of the inlet PPMs being removed when the membrane is new.

      Out of stock
      $ 138.88
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