£229.00
In stock
The first all in one handheld pen from the best in the business; Bluelab. The OnePen accurately measures pH, conductivity (EC/PPM) and temperature allowing you to fully optimise your plant nutrition. The pen is highly durable and has an IP68 dust and waterproof rating as well as a double-junction, replaceable pH probe and titanium electrodes. This meter also features Bluetooth connectivity to the free Edenic App that allows you to record, store, categorise and share your measurements with a single click!
