Bluelab pH PenPlus

The bestselling Bluelab pH Pen gets an upgrade! The pH PenPlus features a fully replaceable probe so you can minimise downtime and no longer need to replace the entire pen when the probe reaches the end of it's life. Better for you, better for your plants and better for the environment!

You can expect all the usual Bluelab quality; ease of use, ultra accurate readings and robust, waterproof design. Here's a list of all the features:

• Double-junction pH probe for reliable measurements
  
• Replaceable pH/Temperature Probe
  
• Temperature in °C or °F
  
• Hold-reading function
  
• Screw-cap probe design for quick replacement
  
• KCl-filled silicone cap with internal sponge maintains probe hydration
  
• Integrated lanyard with waterproof silicone probe cap
  
• Bright backlit display for easy reading
  
• Simple 2-point calibration with 30-day reminder
  
• Auto-off function to conserve battery
  
• IP68 dustproof and waterproof rating
  
• Compact handheld design