In stock, only 6 left
  • Tool for water testing
  • Especially helpful during calibration
In stock, only 12 left
  • Innovative color device for continuous ammonia detection
  • Lasts over a year
  • For marine or freshwater use
13,90 € *
In stock, only 11 left
  • Measuring device for continuous pH detection
  • Only for freshwater use
  • Small and unobstrusive
  • Long lasting