The Bluelab pH Pen will take measurements in increments of 0.1 pH and is fully temperature compensated, so you can expect accurate readings every time. Perfect for quick and easy pH and temperature readings direct from your solution.
- Fully waterproof - 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
The Bluelab pH Pen was designed and built in New Zealand. Tried and trusted by growers all over the world, this essential tool is one of our top-selling products.