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.
- ease of operation
- energy saving
- compact and portable
- small and easy to carry around