Bluelab pH Pen (pH and Temperature Meter)

Bluelab pH Pen is Bluelab's manual solution for measuring the pH and temperature of your nutrient solution. Since pH determines nutrient absorption, measuring and adjusting it properly is key to successful growing, and this meter gives you reliable readings with laboratory precision. It's one of the most manageable pH and EC meters for daily monitoring.

Bluelab manual precision

Together with the Bluelab EC Pen it forms a precise system for monitoring the two key parameters of your solution: pH and conductivity. And if you work in substrate instead of liquid, its equivalent is the Bluelab pH Soil Pen, which measures pH directly in the solid medium.

Getting started

Before first use, submerge the probe for 24 hours in pH storage solution to hydrate it. It calibrates at two points and features a backlit display and automatic temperature compensation.

Bluelab pH Pen Technical Specifications

• Manufacturer: Bluelab
• Type: manual pH and temperature meter
• pH range: 0.0 - 14.0
• Temperature range: 0 - 50 °C
• Accuracy: ±0.1 pH / ±1 °C
• Calibration: two point (pH 4 and 7, or 10)
• Display: backlit
• Temperature compensation: yes
• Warranty: 1 year