Bluelab OnePen - With replaceable pH, Conductivity (EC) & Temperature Probe Indoor + Greenhouse Fans 2-year life expectancy

2-year life expectancy

Overwrapped Humidity Packs for Humid Rooms

Essential Magnesium: Provides magnesium for chlorophyll synthesis

Suits Milling and Pressing: Drier material feeds cleanly where 62% material gums up a grinder

Advanced Nutrients is committed to product purity and safety

Bluelab OnePen - With replaceable pH, Conductivity (EC) & Temperature Probe Indoor + Greenhouse Fans 2-year life expectancyBluelab OnePen With replaceable pH, Conductivity (EC) & Temperature Probe The Bluelab OnePen is the ultimate tool for growers seeking precision and convenience in monitoring essential parameters for plant health. This innovative 3 in 1 device measures pH, Conductivity (EC PPM), and temperature, ensuring optimal plant nutrient uptake. With its ergonomic design and high contrast backlit display, the OnePen is user friendly, allowing simultaneous