Bluelab OnePen - With replaceable pH, Conductivity (EC) & Temperature Probe IRRIGATION Join the ranks of successful

Join the ranks of successful growers who rely on Advanced Nutrients for comprehensive plant nutrition

Should You Run 55% or 62% at This Size

max-width: 100%

or apply separately after the application of Commercial Bloom

No Negative Interactions: Contains no other ionic salts

Bluelab OnePen - With replaceable pH, Conductivity (EC) & Temperature Probe IRRIGATION Join the ranks of successfulBluelab 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