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      60 Products
      Bluelab 2.77EC Conductivity solution

      Bluelab 2.77EC Conductivity solution

      250 ml of 2.77 EC Conductivity Solution.

      Out of stock
      $ 10.00
      bluelab PH 4.0 CALIBRATION SOLUTION

      bluelab PH 4.0 CALIBRATION SOLUTION

      250 ml of Calibration Solution pH 4.0

      In stock
      $ 15.99
      Bluelab PH 7.0 Calibration solution

      Bluelab PH 7.0 Calibration solution

      250 ml of Calibration Solution pH 7.0

      In stock
      $ 15.99
      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 Groline protective “boot”

      Hanna Groline protective “boot”

      HI710030 is an green rubber boot that fits over selected portable meters including HI9814 pH/EC/TDS, HI991000 family of meters, and selected thermistor based thermometers. The silicone rubber boot not only provides additional shockproof protection

      In stock
      $ 37.95
      Hanna Groline 1413 solution 230ml

      Hanna Groline 1413 solution 230ml

      conductivity standard that is prepared against a NIST traceable potassium chloride solution and supplied with a certificate of analysis. Hanna conductivity solutions have the lot number and expiration date clearly marked on the label and are air tight

      Out of stock
      $ 17.95
      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 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 fitting

      Ecoplus 1/10 chiller fitting

      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

      In stock
      $ 12.22
      Boveda 8g 62%

      Boveda 8g 62%

      Scientifically engineered to maintain a precise relative humidity in an enclosed space, and available in multiple RH levels.

      Boveda will never humidify beyond the RH on the pack, so there's no such thing as "too much". You want to think in terms of usi

      In stock
      $ 1.25
      Boveda 8g 58%

      Boveda 8g 58%

      Scientifically engineered to maintain a precise relative humidity in an enclosed space, and available in multiple RH levels.

      Boveda will never humidify beyond the RH on the pack, so there's no such thing as "too much". You want to think in terms of usi

      In stock
      $ 1.25
      Boveda 4g 62%

      Boveda 4g 62%

      Scientifically engineered to maintain a precise relative humidity in an enclosed space, and available in multiple RH levels.

      Boveda will never humidify beyond the RH on the pack, so there's no such thing as "too much". You want to think in terms of usi

      Out of stock
      $ 1.00
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