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      73 Products
      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

      Out of 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
      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
      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
      Bluelab 2.77 EC CONDUCTIVITY 500ml

      Bluelab 2.77 EC CONDUCTIVITY 500ml

      Bluelab EC Solution is used as a reference or checking solution to ensure the cleanliness and proper functionality of EC/CF probes.
      2.77 EC conductivity standard solution.

      In stock
      $ 23.86
      Bluelab ph probe KCI storage solution 250ml

      Bluelab ph probe KCI storage solution 250ml

      The perfect solution to store and hydrate your Bluelab pH probes or pens

      Features:

      Contains 250 ml/8.4 fl oz
      Compatible for use with Bluelab pH Pens, Bluelab Soil pH Pens, Bluelab pH Probes, and Bluelab Soil pH Probes
      Shipping & Returns

      Out of stock
      $ 31.45
      Bluelab ph KCI storage solution 120ml

      Bluelab ph KCI storage solution 120ml

      Simply add KCl solution to the cap of the pH pen and pH probe for storage and hydration to extend their life and improve accuracy for precise pH up and down adjustments

      Out of stock
      $ 18.43
      Hydrologic chlorashield filter

      Hydrologic chlorashield filter

      100% Chloramine Removal down to 1 micron rating. Rated at 2 GPM, the low pressure drop, combined with exceptionally high dirt holding capacity, makes it great for treating city water. Made in the USA Replace after 6,000 gallons.

      In stock
      $ 39.05
      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
      Com 80-S Hydro tester

      Com 80-S Hydro tester

      The COM-80 is easily the most advanced, economically priced, reliable EC/TDS meter on the market. With its versatility and durability, it is ideal for testing applications such as hydroponics & gardening, drinking water, and more.

      In stock
      $ 50.98
      Ac Infinity Replacement Probe

      Ac Infinity Replacement Probe

      A replacement probe specially made for the AC Infinity Hydroponic Meter PRO to detect pH levels, measuring acidity and basicity in water solutions. Using this probe will increase your savings by eliminating the need to purchase brand-new pH meters.

      In stock
      $ 71.60
      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
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