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    • Hanna

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      Hanna Cleaning Solution 500ml

      Proper maintenance is the key to ensuring the accuracy of any pH tester. Hanna Electrode Cleaning Solution, used at least once per week and as often as once per day, keeps dirt and contaminants from...

      Our Price: $19.95
      Add to Cart
    • Hanna GroLine Combo Meter
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      Hanna GroLine Combo Meter

      The HI9814 is a slim, lightweight, and waterproof portable meter that measures pH, conductivity (EC), total dissolved solids (TDS) and temperature with a single amplified probe. The meter operation...

      Our Price: $259.95
      Add to Cart
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      Hanna GroLine EC/TDS Pen

      The HI98318 is our latest pocket meter for measuring the EC/TDS of a hydroponic nutrient solution. This modern looking meter is only 0.7" thick and extremely ergonomic, fitting comfortably in your...

      Our Price: $79.00
      Add to Cart
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      Hanna GroLine PH Checker Tester

      The HI98115 is a GroLine pH tester with advanced features for the measurement of pH in hydroponic nutrient solutions. The HI98115 is a very simple meter to operate with all functions including...

      Our Price: $59.00
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    • Hanna GroLine pH Tester
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      Hanna GroLine pH Tester

      The GroLine HI98118 pH/temperature tester is our latest pocket meter for measuring the pH of a hydroponic nutrient solution. This modern looking meter is only 0.7" thick and extremely ergonomic,...

      Our Price: $69.95
      Add to Cart
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      Hanna GroLine pH/EC/TDS Combo Pen

      Designed to bring simplicity to nutrient testing, the HI9814 Portable GroLine Meter is designed specifically for Hydroponic growers. The specialized electrode combines 3 sensors in a single rugged...

      Our Price: $209.00
      Add to Cart
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      Hanna Primo Digital TDS Meter

      Hanna Instruments Primo TDS Meter Customers who want to ensure the purity of the water produced by their RO water filtration system will enjoy the ease-of-use afforded them by the Primo TDS Tester...

      Our Price: $39.95
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