Bluelab Conductivity Pen

The Bluelab Conductivity Pen is a reliable, all-in-one digital EC, CF, and temperature meter designed for precise nutrient management in hydroponics, soil, and water systems. Built for growers who demand accuracy and simplicity, this handheld meter provides fast readings of electrical conductivity (EC), helping you maintain the perfect nutrient strength for optimal plant growth.

With automatic temperature compensation (ATC), the Bluelab Conductivity Pen ensures consistent and accurate readings regardless of solution temperature. It measures in EC, CF, and ppm (depending on the model/scale), making it versatile for a wide range of growing methods. The fully waterproof design adds durability, while the simple one-button operation and clear digital display make it easy to use for both beginners and professionals.

Ideal for monitoring nutrient reservoirs, mixing solutions, and checking runoff, this pen helps prevent overfeeding or underfeeding—ensuring your plants receive the correct nutrient levels at every stage of growth. The included calibration-free conductivity probe reduces maintenance, making it a convenient and dependable tool for everyday use.

Key Features & Benefits:

• Measures EC, CF, and temperature for complete nutrient monitoring
• Fast, accurate readings for hydroponics, soil, and water
• Automatic temperature compensation (ATC) for precision
• Waterproof and durable design for long-lasting use
• Easy one-button operation with clear digital display
• No calibration required for conductivity measurements
• Ideal for reservoirs, nutrient mixing, and irrigation systems