Bluelab pH Pen

The Bluelab pH Pen is a premium, waterproof digital pH meter trusted by growers worldwide for its accuracy, reliability, and durability. Designed for use in hydroponics, soil, and coco systems, it gives fast and precise pH readings and also displays temperature — helping you monitor and optimise your root zone environment.

With a backlit display, automatic temperature compensation, and replaceable double-junction probe, this is a professional-grade tool built for serious growers.

Key Features:

• Accurate digital pH and temperature readings

• Backlit LCD display for low-light environments

• Fully waterproof and designed for regular use

• Auto-off function and low-battery indicator

• Replaceable probe and easy calibration

Ideal for:
Hydroponic, soil, and coco growers who need accurate pH and temperature data to maintain healthy feeding schedules and maximise plant performance.