General Hydroponics calibration solution is made with the highest quality electronic meter reference solutions in mind.  This reference solution is calibrated for growers usiing most popular brands of meters using the NaCl scale. General Hydroponics calibration solutio..

Price: $13.95

The Yield Lab Digital Thermo-Hygrometer provides a digital display for the current temperature and humidity all in on compact unit. It has a kick stand for easy display mounting and battery included.

 Specification:

• Technical Data: Measuring Range: -10C..

  Price: $12.95

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  The Yield Lab Digital Thermo-Hygrometer provides a digital display for the current temperature and humidity all in on compact unit. It has a kick stand for easy display mounting and battery included.

   Specification:

  • Technical Data: Measuring Range: -10C..

    Price: $12.95

    ]]> The Yield Lab Digital Thermo-Hygrometer provides a digital display for the current temperature and humidity all in on compact unit. It has a kick stand for easy display mounting and battery included.

     Specification:

    • Technical Data: Measuring Range: -10C..]]> https://www.indoorvegan.com/gardening-supplies/testers-and-meters/prestige-ppm-meter/ Tue, 17 Feb 2015 19:28:37 +0000 https://www.indoorvegan.com/gardening-supplies/testers-and-meters/prestige-ppm-meter/

      Waterproof, low power consumption and automatic switch-off feature after 10 minutes of inactivity to save battery power. 

      Features:
      
      

      • Price: $19.95
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        Waterproof, low power consumption and automatic switch-off feature after 10 minutes of inactivity to save battery power. 

        Features:
        
        

        • Price: $19.95
          ]]> Waterproof, low power consumption and automatic switch-off feature after 10 minutes of inactivity to save battery power. 

          Features:
          
          

          • https://www.indoorvegan.com/gardening-supplies/testers-and-meters/prestige-ph-meter/ Tue, 17 Feb 2015 19:27:08 +0000 https://www.indoorvegan.com/gardening-supplies/testers-and-meters/prestige-ph-meter/

            Waterproof, low power consumption, replaceable electrode, automatic temperature compensation and automatic switch-off feature after 10 minutes of inactivity to save battery power. 
            
            

            Features:Price: $19.99

            ]]>

            Waterproof, low power consumption, replaceable electrode, automatic temperature compensation and automatic switch-off feature after 10 minutes of inactivity to save battery power. 
            
            

            Features:Price: $19.99

            ]]> Waterproof, low power consumption, replaceable electrode, automatic temperature compensation and automatic switch-off feature after 10 minutes of inactivity to save battery power. 
            
            

            Features: