Bluelab pH Pen

Maintain optimal pH levels with the Bluelab pH Pen. This compact, rugged tool provides quick and accurate pH and temperature readings of your solution. Fully waterproof, it features a simple two-point calibration for precision and an automatic temperature compensation for consistent results. The auto-off function helps conserve battery life, ensuring reliability whenever you need it. Ideal for hydroponics and gardening, it comes with a one-year warranty for added peace of mind.

• Compact and rugged design
• Quick and accurate readings
• Fully waterproof
• Simple two-point calibration
• Automatic temperature compensation

Includes one AAA battery for immediate use.