Bluelab OnePen Commercial Water Filters start with the best environment

start with the best environment for your clones and seedlings

Made with real

attachment directs heat to focused areas within your grow space

comfortable

Optimized wool structure allows for faster rooting-in and nutrient solution replenishment

Bluelab OnePen Commercial Water Filters start with the best environmentBluelab 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