Bluelab One-Pen EC, PH & Temp Combo Pen nutrients other coco specific 2-part nutrients

other coco specific 2-part nutrients require additional Cal/Mag and PK boosters

easy to install and can be used in continuous operation

Organic matter 13%

Ultra-soluble for ease of use

Bluelab One-Pen EC, PH & Temp Combo Pen nutrients other coco specific 2-part nutrientsBluelab OnePen with Replaceable pH, Conductivity (EC), and Temperature Probe This 3 in 1 tool measures pH, Conductivity (EC PPM), and Temperature, optimizing nutrient uptake. Connect to the Edenic app via Bluetooth for real time sharing, updates, and comprehensive data management. Effortless Data Capture Easily record, store, categorize, and share your measurements with our intuitive app. Maximize your datas potential with the OnePen and Edenic app.