pH/TDS Meters happyhydro | Bluelab pH Pen, Waterproof

• Fully waterproof pH tester - not just water resistant
• Simple two-point calibration process for accuracy
• One-year peace-of-mind warranty
• Automatic temperature compensation for accurate readings everywhere
• Auto-off function to extend battery life
• 1 AAA battery included - simply power on and go

This user-friendly and hardy handheld pen will take measurements in increments of 0.1 pH and is fully temperature compensated, so you can expect accurate readings every time.

Includes:

• Bluelab pH Meter
• 4.0 Calibration Solution
• 7.0 Calibration Solution
• pH Probe kCl Storage Solution