Bluelab pH Pen Blue Lab - Hydroponic Aquarium pH Meter monitor
Hydroponic growing lets you give the best care possible to your plants. The quality of care is in your control.
The Bluelab pH Pen provides a compact, quick and handy way to manage the success of your crops to ensure maximum uptake of nutrients. Teamed with our Bluelab EC Pen or Bluelab ppm Pen, you have a handy, convenient and accurate system for ensuring optimum plant growth and health.
- Measures pH and temperature
- Selectable units for ˚C & ˚F
- Backlit LCD display
- Double junction probe (not replaceable)
- Successful calibration indicator
- Hold function
- Low battery warning
- Fully waterproof
- Auto off function
- Automatic temperature compensation