HANNA INSTRUMENTS

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  • GROLINE HYDROPONICS PH TESTER
    GROLINE HYDROPONICS PH TESTER  The HI-98115 is a GroLine pH tester with advanced features for the measurement of pH in hydroponic nutrient solutions and soil slurries.HI-98115 is a very simple meter to operate with all functions including turning on/off and calibration are performed with a s..
    GROLINE HYDROPONICS PH TESTER  The HI-98115 is a GroLine pH tester with adva...
    £49.95
    Ex Tax: £41.63
  • Groline Monitor
    Groline Monitor   The  GroLine Monitor provides 24 hour continuous monitoring of pH, conductivity (EC or TDS), and temperature in hydroponic nutrients. Results every 15 minutes . . . The GroLine Monitor automatically logs your results every 15 minutes over the last 30 days. Minim..
    Groline Monitor   The  GroLine Monitor provides 24 hour continuous m...
    £355.00
    Ex Tax: £295.83
  • GROLINE WATERPROOF EC/TDS (PPM) TESTER
    GROLINE WATERPROOF EC/TDS (PPM) TESTER The groline ec is the latest pocket meter for measuring the EC/TDS of a hydroponic nutrient solution. The ergonomic design allows this tester to fit comfortably in your hand. The large easy to read LCD display shows both EC or TDS and temperature along ..
    GROLINE WATERPROOF EC/TDS (PPM) TESTER The groline ec is the latest pocket m...
    £69.95
    Ex Tax: £58.29
  • GROLINE WATERPROOF HYDROPONIC PH & TEMPERATURE TESTER
    GROLINE WATERPROOF HYDROPONIC PH & TEMPERATURE TESTER The groline pH/temperature tester is the latest pocket meter for measuring the pH of a hydroponic nutrient solution. The ergonomic design allows this tester to fit comfortably in your hand. The large easy to read LCD display shows both pH ..
    GROLINE WATERPROOF HYDROPONIC PH & TEMPERATURE TESTER The groline pH/temperat...
    £69.95
    Ex Tax: £58.29