Bluelab OnePen™ – pH, Conductivity & Temperature Measurement Tool
Bluelab OnePen™ – pH, Conductivity & Temperature Measurement Tool
All-in-One Accuracy for Your Grow
The Bluelab OnePen™ is a compact 3-in-1 tool that measures pH, conductivity (EC), and temperature in your nutrient solutions. Designed for growers who demand precision, this pen helps you optimize nutrient uptake, reduce waste, and maximize yields. Connect it to the Edenic app via Bluetooth to unlock real-time data, remote viewing, and seamless record-keeping.
Whether you’re testing hydroponic reservoirs, runoff, or water sources, the Bluelab OnePen™ delivers accurate results every time.
Features & Benefits
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Replaceable double-junction pH probe and titanium EC electrodes for long-lasting performance
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Compact, ergonomic design for easy handling
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Bright backlit display shows pH and EC readings simultaneously
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Highly precise with 0.01 pH resolution
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Probe health indicator ensures reliable accuracy
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Simple 2-point pH calibration process
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Temperature readings in °C or °F
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Multiple conductivity scales: EC, mS/cm, CF, ppm 500 (TDS), ppm 700
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IP68 rated: dustproof and waterproof
When paired with the Edenic App:
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View readings remotely via app or browser
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Record, store, categorize, and share data
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Access real-time updates and software improvements
Why It Matters
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pH – Determines nutrient availability and absorption
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EC (Conductivity) – Shows the strength of your nutrient solution
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Temperature – Influences plant growth rate and structure
By monitoring these vital parameters, you’ll give your plants the perfect balance to thrive.