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      63 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
      $ 36.99
      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
      Hydroflow rubber grommet 1”

      Hydroflow rubber grommet 1”

      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
      $ 1.59
      Hanna Groline ph/ec/tds combo HI98130

      Hanna Groline ph/ec/tds combo HI98130

      The HI 98130 waterproof floating tester displays pH, high-range conductivity (EC) and total dissolved solids (TDS) with Automatic Temperature Compensation (ATC) on a dual-level LCD display for hydroponics, agricultural, and water quality testing

      Out of stock
      $ 186.00
      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
      Ecoplus 1/10 chiller

      Ecoplus 1/10 chiller

      EcoPlus Chillers are suitable for use in reservoirs, hydroponic systems & fresh or saltwater aquariums. With quality engineering and an easy to use interface, the EcoPlus Water Chiller is a great tool for a wide variety of uses. From hydroponics systems t

      Out of stock
      $ 500.41
      Hydrologic stealth R/O std filter

      Hydrologic stealth R/O std filter

      Removes 98%+ of all contaminants in your tap water. Leading the industry in efficiency the Stealth has a 2:1 waste to product water ratio. Optional 1:1 ratio flow restrictor saves 50% more waste water. Customized for gardening and hydroponics. The Stealth

      Out of stock
      $ 339.95
      Hydrologic small boy R/O Catalytic carbon filter

      Hydrologic small boy R/O Catalytic carbon filter

      Instant de-chlorinator and sediment filter with upgraded KDF85/Catalytic Carbon filter. Stand alone. 1-Gallon per minute. Small Boy w/ Upgraded KDF85/Catalytic Carbon Filter.

      Out of stock
      $ 175.00
      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 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
      $ 1.44
      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
      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
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