



Bluelab
Bluelab pH Pen
£92.00
The Bluelab pH Pen is positioned as a dependable measuring and monitoring instrument for grow-room setup, monitoring and maintenance. Its role is to provide clearer environmental or nutrient-solution readings without adding unnecessary complexity. The information below focuses on the practical features that affect installation, use and compatibility. Product highlights Prior to the first use, soak the pH Pen in a potassium chloride (KCL) solution for 24 hours, followed by calibration. If you plan to use it daily, recalibrate weekly. Calibration fluids (pH Buffer 4 and pH Buffer 7) are available for this purpose. Power off the meter by holding the on-off button for 3 seconds. Simple Calibration : Calibration is a breeze with the easy push-button calibration function, complete with a 30-day indicator. Temperature Compensation : Experience enhanced accuracy thanks to temperature compensation, which automatically adjusts for temperature variations in your nutrient solution. Important details Backlit LCD Display : The pH Pen's backlit LCD helps maintain easy and clear reading, even in various lighting conditions. Low Battery Indicator : Stay informed with the low battery indicator, ensuring your pH Pen is ready when you need it. Quality Craftsmanship : Manufactured from quality materials, the pH Pen is developed for reliability and longevity. Water Resistant : While water-resistant, the pH Pen should not be fully submerged for extended periods. Before ordering Calibrate and maintain the instrument as directed, and store probes correctly between uses. Specifications can vary by size or selected variant. Always check the chosen option and follow the manufacturer’s latest instructions.
Free UK delivery
On eligible orders over £100 · 5–7 business days
14-day returns
Unused items in original packaging
Manufacturer warranty
Supplied with every product
