Bluelab® OnePen - With replaceable pH, Conductivity (EC) & Temperature Probe bio Outfit the GrowLab® with the

Outfit the GrowLab® with the ventilation fan

Sift your pounds without adding any extra wear and tear to your beautiful buds

The included Pressure Filler is designed to maximize volume and make filling a breeze

Previously they were rated at a higher temperature and humidity level based on hydroponic industry standard usage (86°F

Bluelab® OnePen - With replaceable pH, Conductivity (EC) & Temperature Probe bio Outfit the GrowLab® with theBluelab OnePen With replaceable pH, Conductivity (EC) & Temperature Probe Bluelab OnePen one click data capture record, store, categorize and share your measurements in on easy to use app. Unlock the full potential of data with the OnePen. Superior Durability and easy maintenance double junction pH probe, titanium electrodes, and an IP68 dust and waterproof rating deliver durability, while the replaceable probe and heath indicator simplify maintenance