Bluelab OnePen – Compact Tool for pH, EC, and Temperature Monitoring

Bluelab OnePen offers quick and accurate readings for pH, electrical conductivity (EC), and temperature in a single handheld device. Compact and easy to use, this pen is perfect for monitoring essential parameters in hydroponics, soil, and coco growing systems.

Key Benefits of Bluelab OnePen

• 3-in-1 Measurement: Provides pH, EC, and temperature readings.
• Portable Design: Compact and lightweight for easy, on-the-go monitoring.
• Durable and Waterproof: Built to withstand demanding environments.

How to Use Bluelab OnePen

Dip in solution to measure pH, EC, and temperature. Calibrate pH as needed for accurate readings.

Product Specifications

• Range: pH 0.0–14.0, EC 0.0–10.0, Temp 0–50°C (32–122°F)
• Best For: Hydroponics, soil, and coco systems

Shipping Information

Estimated Delivery: 2-10 business days for orders to US & Canada. Free Shipping on Orders $125. For more information, check out our Shipping Policies.

Returns & Exchanges

If you're not satisfied with your order, ship it back within 30 days of delivery. For more information, check out Returns & Exchanges Policies.