- 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 will quickly and accurately measure your hydroponic solution’s acid/ alkaline balance. Use to maximize plant nutrition and ensure optimum plant health, growth and yields.
Features:
Warranty: 1-year repair or replacement
Directions For Use:
Step 1: Press power button and place probe in solution. Wait for reading to stabilize
Step 2: To hold reading press power button again
Grower’s Tip:
To ensure accurate readings the double junction probe needs to be rinsed in water after each use and cleaned prior to calibration.