Bluelab pH PenPlus

The Bluelab pH PenPlus is a compact, handheld digital meter designed to accurately measure pH and temperature in nutrient solutions. Built for both home and commercial growers, it delivers reliable readings essential for maintaining optimal plant health in hydroponic, soil, and irrigation systems.

A key feature of the PenPlus is its replaceable pH/temperature probe, allowing users to restore performance without replacing the entire unit. This extends the product’s lifespan and reduces long-term costs, making it a practical and sustainable solution for continuous monitoring.

Engineered for durability, the device is IP68-rated waterproof and dustproof, ensuring it can withstand demanding grow environments. It also includes a double-junction probe for improved accuracy and stability, along with a backlit display for easy reading in all conditions.

The PenPlus offers simple 2-point calibration with reminders, a hold function for stable readings, and an auto-off feature to conserve battery life. Its ergonomic design and integrated storage cap help maintain probe hydration and ensure consistent performance over time.

Designed with growers in mind, the Bluelab pH PenPlus helps monitor nutrient solution balance, enabling better control over pH levels—critical for proper nutrient uptake and healthy plant growth.

Key Highlights

• Measures pH (0.0–14.0) and temperature
• Replaceable probe for extended product life
• High accuracy (±0.1 pH)
• Waterproof (IP68) and durable design
• Easy calibration with reminder system
• Bright backlit display and portable form