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Ships within 48 hours · Estimated delivery Sep 10 - Sep 15
Power-free operation: Runs on gravity pressure with no pump
Automated Precision with pH Perfect® Technology
Growers who need a tray inside a 4x4 tent want the OD black tray
The pH Perfect™ Promise: Say goodbye to the tedious task of pH adjustments
The formula includes crucial amino acids
Bluelab OnePen - With replaceable pH, Conductivity (EC) & Temperature Probe Whiteflies Power-free operation: Runs on gravityBluelab 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