Bluelab pH Pen - Legana Plants Plus
Bluelab pH Pen - Legana Plants Plus
Bluelab pH Pen - Legana Plants Plus
Bluelab pH Pen - Legana Plants Plus

Bluelab pH Pen


Product Information

The Bluelab pH Pen was designed and assembled in New Zealand from local and imported components. Tried and trusted by growers all over the world, this essential tool is one of our top-selling products.

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.

Our products are designed and built for grower environments - not the lab - so you can relax knowing that your pen can withstand the knocks, drops and deep-water plunges that come with everyday growing. In fact, the fully waterproof Bluelab pH Pen is designed to float when it lands up in your reservoir.

Healthy growing plants, just like humans, need a balanced diet of appropriate nutrients (food). However, plants can only access these nutrients when the nutrient solution is within a certain pH range.

From a water chemistry perspective, pH (potential Hydrogen) plays a pivotal role in making the nutrients in your solution soluble so that they can be accessed by your plants. That’s why if your growing solution becomes too acidic or too alkaline, the plants won’t be able to get access to the nutrients they need to grow. The temperature of your growing solution is equally important as having a solution that’s too hot or too cold can affect growth rate and structure.

To help your plants thrive, get the fundamentals right by measuring pH and temperature to ensure that these are always in the optimal range.

  • 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
Bluelab pH Pen - Legana Plants Plus

Bluelab pH Pen

Technical Specifications

Bluelab pH Pen

Measurement Range (pH): 0.0 - 14.0 -log[H+]
Measurement Range (Temperature): 0 - 50 ˚C / 32 - 122 ˚F
Resolution (pH): 0.1 -log[H+]
Resolution (Temperature): 1 °C / 1 °F
Accuracy at 25 ˚C / 77 ˚F (pH): ± 0.1 -log[H+]
Automatic Temperature Compensation (ATC): Yes
Operating Temperature: 0 - 50 °C / 32 - 122 °F
Calibration (pH): Two point calibration pH 7.0 & pH 4.0 or pH 10.0 
Calibration (Temperature): Not Required
Units: pH, °C, °F
Power source: 1 x AAA alkaline battery
Other Functions: Backlit LCD display, successful calibration indicator, hold function, low battery indicator, auto off. 

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We want you to be 100% satisfied with your purchase. Items can be returned or exchanged within 30 days of delivery.