Bluelab pH Pen

Bluelab pH Pen

The Bluelab pH Pen provides a compact, quick and handy way to manage the success of your crops to ensure maximum uptake of nutrients.

• 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