Measures soil conductivity and temperature for precise nutrient management
Fully waterproof design enables use in any environment
Backlit LCD display ensures easy reading in low light
Automatic temperature compensation provides accurate readings
Optional calibration and success indicator for reliable results
Summarized by Shop
The Bluelab ppm Pen measures conductivity and temperature and is a great way to ensure plants are receiving the proper amounts of nutrients. It’s fully waterproof and also features a backlit LCD display, optional calibration and a successful calibration indicator, hold function, low-battery warning, auto-off function and automatic tempera