Bluelab Soil pH Pen

The Bluelab Soil pH Pen measures pH and temperature directly in soil, coco coir, rockwool, and nutrient solutions. Designed for convenient root zone testing, it features a waterproof body, backlit display, and double-junction pH probe for accurate, reliable measurements.

Key Features

• Measures pH and temperature in soil, substrates, and solutions
• Waterproof design with backlit display
• Double-junction pH probe
• pH accuracy of ±0.1
• Automatic temperature compensation
• Two-point calibration with 30-day reminder
• Dual-purpose storage cap and dibber
• Includes pH 4.0, pH 7.0, and KCl storage solution sachets
• 1-year limited manufacturer warranty