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Bluelab OnePen - Green Thumb Depot
Bluelab OnePen

Bluelab OnePen

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SKU: PENONE

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$249.00
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The Bluelab OnePen is a powerful all-in-one tool designed to streamline nutrient monitoring for growers. Combining pH, EC (conductivity), and temperature measurement in a single, compact device, the OnePen helps optimize plant health and nutrient uptake. Its Bluetooth connectivity allows seamless integration with the Edenic app for real-time monitoring, data sharing, and updates—giving you complete control from your phone or browser. Engineered for accuracy and durability, it's built to thrive in demanding grow environments.

Key Features:

  • Measures pH, EC, and temperature

  • Replaceable double-junction pH probe

  • Titanium EC electrodes for reliability

  • Bright backlit screen with dual readings

  • Bluetooth connectivity via Edenic app

  • IP68 waterproof and dustproof rating

  • Probe health indicator and 2-point calibration

  • Multiple unit options: EC, mS/cm, CF, ppm 500/700

  • °C/°F temperature display options

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SmartGrow Tech: The Precision Tools Your Grow Deserves

  • 3-in-1 Functionality: Measures pH, electrical conductivity (EC), and temperature with one compact device.
  • Bluetooth Connectivity: Syncs with the Edenic app for real-time data sharing, remote access, and firmware updates.
  • Durable & Waterproof: IP68-rated for dust and water resistance, making it suitable for rugged grow environments.
  • Easy Calibration: Features a simple 2-point calibration process with on-screen guidance for pH accuracy.
  • Replaceable Probe: Comes with a double-junction pH probe and titanium EC electrodes for extended device life.

Product Overview

Specifications

What's Included?

Warranty Policy

Product Overview

The Bluelab OnePen is a smart, handheld tool that simplifies nutrient solution monitoring by measuring pH, conductivity (EC), and temperature in one go. With Bluetooth connectivity to the Edenic app, you gain real-time access to readings, history, and alerts. It’s precise, rugged, and designed to help growers maintain ideal growing conditions with confidence.

Effortless Precision for Every Grower – From Novice to Pro

The Bluelab OnePen offers accurate, real-time nutrient data in a compact, durable design. Whether you're a beginner or seasoned grower, this tool makes it easy to monitor and optimize plant health using one streamlined, app-connected device.

Smart Bluetooth Sync

Precision pH Readings

Waterproof Design

Replaceable Probe

Why Choose Bluelab

Choose Bluelab for reliable and precise monitoring solutions in plant care. Recognized for producing top-tier devices, Bluelab ensures optimal plant health through accurate and real-time data on water pH, conductivity, and temperature. Ideal for both amateur and professional growers, Bluelab's products simplify the complexities of plant care, promoting vigorous growth and superior yields.

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Why Choose Us

At GreenThumbDepot, you're not just another sale to a faceless corporation. You're partnering with a team genuinely invested in your success. Our legendary customer service, combined with a promise of unbeatable prices, sets us apart. We're here for you, always.

wetanddry
Excellent 4.8 out of 5 based on 1,247 reviews
If I could rate 6 stars I would!
If I could rate 6 stars I would! My representative Edouard B. has been shockingly responsive! Like - oh my god - an actual SERVICE oriented company. He's dug into my odd connectivity issues I've been having - and following up in an AMAZINGLY timey manner. No shit. You'll be impressed! (And the price was also unbeatable, quick shipping...it's all PERFECT). Thank you Ed!!
Reviewer
Jim D
Customer service was outstanding great…
Customer service was outstanding great people to deal with they understand your needs and they will do their best to fulfill them there is no way I can complain about them because they are the best help out there.Thanks green thumb depot. I’ll definitely order from them again
Reviewer
Glenn Appleton
The machine is doing just what my…
The machine is doing just what my salesman told it would do (I appreciate you Ed thank you) . The machine is what we need for our new business we’re starting up, soon to be llc and licensed. We are getting a lot of clients wanting our services. Ed I will be needing more of your products, thank you again.
Reviewer
Freddie
Fantastic
Great prices, fantastic customer service, and mind blowing shipping! Incredible. Will be using again and telling anyone in need.
Reviewer
Kar
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FAQ Section

Does the Bluelab OnePen connect to a smartphone?
Yes, it connects to the Edenic app via Bluetooth, allowing remote monitoring and real-time data sharing through your smartphone or browser.
Can I replace the pH probe if it gets damaged?
Yes, the Bluelab OnePen features a replaceable double-junction pH probe, making maintenance easy and cost-effective.
What units can the EC readings be displayed in?
The OnePen can display EC readings in EC, mS/cm, CF, ppm 500 (TDS), or ppm 700 formats, offering flexibility for various grow setups.
Is the device waterproof and safe to use around liquids?
Yes, the Bluelab OnePen is IP68-rated, meaning it is fully waterproof and dustproof, ideal for hydroponic and greenhouse environments.
How often does the OnePen need to be calibrated?
It’s recommended to calibrate the pH probe every 30 days or more frequently if used heavily, using the 2-point calibration process.

Specifications

Bluelab OnePen
Brand Bluelab
Model OnePen (PENONE)
Functions pH, EC, Temperature
Display Backlit LCD with dual readings
Connectivity Bluetooth (Edenic App)
Waterproof Rating IP68 (dust and waterproof)
pH Resolution 0.01 pH
Calibration 2-point manual pH calibration
EC Units EC, mS/cm, CF, ppm 500, ppm 700
Temperature Units °C or °F
Probe Type Replaceable double-junction pH, titanium EC electrodes
Power Source Battery-powered
Dimensions Approx. 200mm x 40mm x 35mm

Items in the box

Bluelab OnePen

Warranty Policy

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