The Bluelab pH Pen is a precision instrument designed to measure the pH and temperature of your growing solutions with ease and accuracy. This handheld device is essential for any serious grower looking to maintain optimal nutrient uptake and plant health. Featuring a backlit LCD display, successful calibration indicator, and a hold reading function, the Bluelab pH Pen ensures you can confidently monitor and adjust the pH levels in your hydroponic system, soil, or other growing media.

Features:

• Accuracy: ± 0.1 pH, ± 1°C / ±2°F
• Display: Backlit LCD for clear visibility in all lighting conditions
• Waterproof: Fully waterproof design allows for use in any environment without risk of damage
• Included Solutions: Comes with 20 ml single-use Bluelab Solution Sachets (1 each of pH 7.0 & pH 4.0) for easy calibration
• Battery: Operates on 1x AAA battery (included)
• Warranty: 1-year guarantee for peace of mind and reliable performance

• Bluelab pH Pen
• 20 ml single-use Bluelab Solution Sachets (1 each of pH 7.0 & pH 4.0)
• 1x AAA battery
• Instruction Manual

Using the Bluelab pH Pen is simple and effective:

1. Initial Setup: Insert the included AAA battery into the pH pen.
2. Calibration:
   • Press the power button to turn on the device.
   • Dip the probe into the pH 7.0 calibration solution, wait for the reading to stabilize, and press the calibration button.
   • Rinse the probe with distilled water and repeat the process with the pH 4.0 solution.
   • Successful calibration will be indicated on the display.
3. Measurement:
   • Rinse the probe with distilled water and dip it into your sample solution.
   • Wait for the reading to stabilize, and the pH and temperature will be displayed on the backlit LCD.
   • Use the hold reading function to lock the measurement if needed.
4. Maintenance:
   • Always rinse the probe with distilled water after use to maintain accuracy.
   • Store the probe in a pH storage solution when not in use to prolong its life.

Best Usage Tips:

• Regularly calibrate the pH pen to ensure accurate readings.
• Avoid touching the glass probe to prevent damage.
• Store the pen in a cool, dry place when not in use.
• Replace the battery as needed to maintain reliable performance.