Description
Bluelab OnePen™ – Precision pH, EC & Temperature Meter with Bluetooth Connectivity
The brand-new Bluelab OnePen combines pH, EC/PPM, and temperature monitoring in one waterproof handheld meter. Engineered for hydroponics, coco, and soil growers, it connects seamlessly to the Edenic App via Bluetooth for instant data capture, analysis, and sharing.
Why Choose Bluelab OnePen?
- 3-in-1 hydroponic meter: pH, EC, and temperature readings in one compact tool.
- Accurate and reliable: Double-junction pH probe and titanium EC electrodes with precision down to two decimals.
- Durable build: IP68 waterproof and dustproof for tough grow room environments.
- Smart connectivity: Sync with the Edenic App for remote data logging and easy record-keeping.
- Replaceable probe: Extend the lifespan with simple, cost-effective maintenance.
Key Features
- Bluetooth-enabled with one-click data transfer to the Edenic app.
- High-contrast backlit display for clear readings in any lighting.
- Built-in health indicator to ensure sensor accuracy and longevity.
- Ergonomic design for comfortable daily use.
How to Use the Bluelab OnePen
- Calibrate with included Bluelab solution sachets (pH 4, pH 7, KCl storage) before first use.
- Submerge the probe in your nutrient solution or media runoff.
- Read pH, EC, and temperature instantly on the screen — or sync via Bluetooth to the Edenic App for automatic logging.
- Rinse probe after each use with distilled water and store in KCl solution.
Measurement Range
| pH | 0.0 – 14.0 |
| EC | 0.0 – 10.0 mS/cm |
| CF | 0 – 100 |
| TDS | 0 – 5000 ppm (500 scale) / 0 – 7000 ppm (700 scale) |
| Temperature | 0 – 50 °C / 32 – 122 °F |
What’s in the Box?
- 1 × Bluelab OnePen™ with replaceable pH, EC & temperature probe
- 3 × 18 ml Bluelab Solution Sachets (pH 7.0, pH 4.0, and KCl storage solution)
- 1 × Bluelab Sensor Cleaning Brush
- 2 × AAA Batteries
Warranty
- 2-Year limited warranty on the Bluelab OnePen™
- 6-Month warranty on the replaceable probe
- Full details: Bluelab Warranty Information
Hot Topic FAQs
Do I need calibration solutions?
Yes. Regular calibration with *Bluelab pH 4 & pH 7 solutions* keeps readings accurate. Sachets are included to get you started.
Can I use the OnePen in coco and soil?
Absolutely. Measure nutrient runoff to monitor pH, EC, and temperature for consistent growing conditions.
Is the Bluelab OnePen waterproof?
Yes — it’s rated IP68, meaning it can withstand water immersion and high-humidity environments.
Recommended Pairings
Pair with *Bluelab Calibration Solutions*, *Nutrient Management Tools*, and *Hydroponic Additives* for complete accuracy in your grow.
The Bluelab OnePen™ is the ultimate all-in-one solution for growers who want accurate pH, EC, and temperature readings with the convenience of Bluetooth logging. Simple, smart, and built to last.
Payment & Security
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