Otaki Hydroponics

pH (multipurpose) Pen Urban Farmer


EZ-9909 5 in 1 function water quality testing meter. 

Use for all 5 functions - pH, salinity, EC, TDS, temperature

This clever little handheld pen will help you manage the success of your crops. The pH pen provides a pH reading of the solution so you know that the nutrients will be made available to your plants. 

  • reliability
  • ease of operation
  • energy saving
  • compact and portable
  • small and easy to carry around

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