Bluelab pH Pen


The Bluelab pH Pen is a compact and robust tool for precise pH and temperature measurements. Its fully waterproof construction makes it perfect for hydroponic growers seeking accuracy and convenience. Get yours now and take control of your pH levels with confidence.

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Bluelab pH Pen: The Compact and Hardy pH and Temperature Measurement Solution

Achieve precise and hassle-free pH and temperature measurements with the Bluelab pH Pen. This handheld tool is specifically for growers who value accuracy and convenience in monitoring their nutrient solutions. 

No matter where you are in your hydroponic journey, this product is essential for maintaining optimal pH and temperature levels in your hydroponic system.

Features and Benefits:

  • Compact and Robust Design: This pH Pen can withstand the demanding conditions of everyday growing. Its hardy construction ensures durability, making it ideal for use in grower environments. It can handle the knocks, drops, and even deep-water plunges experienced with daily cultivation.
  • Quick and Accurate Readings: With a measurement increment of 0.1 pH, the pH Pen provides precise readings, allowing you to make informed adjustments to your nutrient solution. Whether you’re monitoring the pH of your reservoir, nutrient tank, or runoff, the Bluelab pH Pen delivers reliable and accurate results. Its accuracy ensures you have the data you need to optimise nutrient uptake and avoid pH-related issues hindering plant growth.
  • Fully Waterproof: The pH Pen is water-resistant and fully waterproof. This attribute gives you peace of mind, knowing you can confidently use it in splash-prone environments without worrying about water damage. Its design lets it float if accidentally dropped into your reservoir, ensuring it stays accessible and safe.
  • Simple Two-Point Calibration: Calibration is a breeze with the Bluelab Pen. It utilises a straightforward two-point calibration process, ensuring accurate readings and reliable performance. Calibration is essential to maintain accuracy over time, and the pH Pen simplifies this process, allowing you to calibrate quickly and confidently.
  • Auto-Off Function: The pH Pen features an auto-off function that helps conserve battery life. If you’re not using the pen, it will switch off by itself after a short period of inactivity, saving you from the hassle of frequently replacing batteries. This energy-saving feature ensures that the pH Pen is good to go when required while extending the lifespan of the included AAA battery.
  • Included Battery: The pH Pen has one AAA battery, allowing you to power it on and start measuring immediately. The convenience of having a battery included ensures you can use the pH Pen without additional purchases.

How does this product work?

The pH Pen gives growers easy and accurate pH and temperature measurements. It utilises a sensitive electrode immersed in the nutrient solution to measure the pH level. Upon insertion, the pH Pen swiftly displays the pH reading on its user-friendly interface. The readings are presented in increments of 0.1 pH, allowing you to monitor even the slightest changes in pH levels.

Always calibrate the pH Pen using the two-point calibration process to ensure accurate measurements. Calibration compensates for any deviations in the electrode’s sensitivity, ensuring that the pH readings are precise and reliable. This simple calibration process can occur periodically to maintain the accuracy of the pH Pen.

How do I use the Bluelab pH Pen?

Using the pH Pen is a straightforward process. Begin by calibrating it using the two-point calibration process to ensure accurate readings. The calibration process typically involves using pH calibration solutions with known pH values, which you can quickly obtain from our website here. By following the provided instructions, you can calibrate the pen to measure pH levels accurately.

Once calibrated, you can immerse the electrode of the pH Pen into your nutrient solution. Allow a few seconds for the pH Pen to stabilise and display the pH reading on the screen. The clear and easy-to-read interface allows for quick assessment of the pH level, enabling you to adjust your nutrient solution as needed.

To extend the life of your pH Pen use the auto-off function. After a period of inactivity, the pH Pen will automatically turn off, conserving battery power. This feature ensures that the pH Pen remains ready for your next measurement session and reduces the need for frequent battery replacements.

Recommended Products: Enhance Your Hydroponic Setup

Enhance your hydroponic setup by combining the pH Pen with the Bluelab EC Truncheon V2. The Bluelab EC Truncheon V2 is the ultimate nutrient meter for measuring conductivity in your hydroponic system. Its robust design, all-in-one functionality, and easy-to-use features perfectly complement the Pen.

By pairing the Bluelab pH Pen with the Bluelab EC Truncheon V2, you can accurately measure both pH and nutrient levels, ensuring optimal plant health and nutrient balance. Take control of your hydroponic system and maximise your growing success with this powerful combination from Bluelab.

Experience the convenience and accuracy of the Bluelab pH Pen, and elevate your hydroponic growing to new heights. Its robust design, accurate measurements, and user-friendly features make it an indispensable tool for any grower. Combine it with the Bluelab EC Truncheon to create the ultimate Grower’s Toolbox and achieve optimal plant health. Trust in the quality and reliability of Bluelab, a brand with an enviable reputation from growers worldwide.

This product brings you the power to accurately monitor pH and temperature, allowing you to make data-driven decisions for optimal plant health and growth. Invest in the Bluelab pH Pen today and confidently take control of your hydroponic system’s pH and temperature.

Where Do I Buy a Bluelab pH Pen?

You can easily buy a Bluelab pH Pen from our online store.

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