pH Pen Bluelab

The Bluelab pH Pen is a premium handheld digital pH meter designed for fast, accurate measurement of nutrient solution pH. Built for growers who demand precision, this waterproof, portable meter delivers reliable readings, helping you maintain optimal nutrient uptake and plant health.

Perfect for hydroponic, soil, or coco systems, the Bluelab pH Pen features automatic temperature compensation, backlit display, and a replaceable double-junction probe. Its durable design is made for everyday use in grow rooms, greenhouses, and field conditions.

Key Features:

• Accurate pH readings for nutrient solutions and water

• Waterproof and fully submersible for real-world use

• Automatic temperature compensation (ATC)

• Backlit LCD display for easy reading in all light conditions

• Replaceable double-junction probe for extended life

• Lightweight, portable, and ideal for daily checks

• Measures temperature and pH simultaneously

How to Use:

• Remove the protective cap and turn the pen on.

• Submerge the probe in your nutrient solution.

• Wait for the reading to stabilise on the digital display.

• Rinse with fresh water after each use.

• Store the pen with Bluelab KCl storage solution in the cap.

• Calibrate regularly using Bluelab calibration solutions.

Specifications:

• Product Type: Handheld digital pH meter

• Measurement Range: pH 0.0–14.0

• Display: Backlit LCD

• Waterproof: Yes (fully submersible)

• Temperature Compensation: Automatic (ATC)

• Power: Battery included

• Calibration: Manual (1- or 2-point)

• Recommended Storage: With probe submerged in KCl solution

• Compatibility: Hydro, coco, soil, greenhouse, and field use

Recommended Use:
Ideal for serious growers who need accurate pH control in hydroponic, coco, or soil systems. Essential for preventing nutrient lockout and achieving healthy, vigorous plant growth.