Bluelab pH Pen

The Bluelab pH Pen is a hand-held meter that provides a quick and compact way to ensure maximum uptake of nutrients. Teamed with our Bluelab EC Pen or Bluelab ppm Pen, you have a convenient and accurate system for ensuring optimum plant growth and health. Manage the success of your crops with BlueLab. Now, isn't that handy?

Features

• Measures pH and temperature
• Selectable units for ˚C & ˚F
• Backlit LCD display
• Double junction probe (not replaceable)
• Successful pH calibration indicator
• Hold reading function
• Low battery indicator
• Fully waterproof
• Auto-off function
• Automatic temperature compensation