Bluelab pH Pen

Product detailed description

This user-friendly and durable handheld measuring pen measures in units of 0.1 pH and is fully temperature compensated so you can expect accurate readings every time.

Built for the grower - not the lab - so you can rest easy knowing your pen can withstand the bumps, drops and deep water immersion that come with everyday growing. The fully waterproof Bluelab pH Pen is designed to float when in the tank.

Product Features / Benefits

Fully waterproof - not just waterproof

• Simple two-point calibration process to ensure accuracy
• One-year warranty for peace of mind
• Automatic temperature compensation for accurate measurement anywhere
• Automatic shut-off function to extend battery life
• Includes 1 AAA battery - just plug in and go.