
Bluelab
Bluelab PH Pen
Bluelab PH Pen
National Greenhouse Bolton
Unit 6, Lark Street
Bolton BL1 2UA
United Kingdom
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The Bluelab pH Pen is a reliable and easy-to-use digital tester designed to measure both pH and temperature in nutrient solutions and water. Trusted by growers worldwide, it helps ensure optimal pH levels so plants can absorb nutrients efficiently and grow at their best.
Built for everyday use, the Bluelab pH Pen features a clear backlit LCD display that shows pH and temperature readings simultaneously. Automatic temperature compensation ensures accurate pH results, even when solution temperatures vary. Its fully waterproof design makes it ideal for use in grow rooms, greenhouses, and other wet environments.
Calibration is simple and straightforward, with indicators to confirm successful setup. Additional features such as the hold function, low battery warning, and automatic shut-off make this pen practical and dependable for regular testing.
Compact, durable, and accurate, the Bluelab pH Pen is an essential tool for growers who want consistent results and peace of mind when monitoring their nutrient solutions.
Key Features:
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Measures pH and temperature
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Backlit LCD display for easy reading
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Automatic temperature compensation
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Fully waterproof design
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Simple calibration with indicator
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Hold function for stable readings
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Low battery indicator and auto shut-off
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Compact and easy to use


