Bluelab Conductivity Pen Tools we’ve moved beyond standard potassium

we’ve moved beyond standard potassium sources like sulfate of potash

7% Nitrate Nitrogen

which will support a higher yield

Join Thousands of Successful Growers

Remember: the sun is never straight above plants

Bluelab Conductivity Pen Tools we’ve moved beyond standard potassiumA robust handheld solution for measuring conductivity and temperature on the go Fully waterproof, not just water resistant Selectable measurement units so you can customise with your preferences Flat electrode for easier cleaning and maintenance Hold reading function to capture every measurement with ease Automatic temperature compensation for accurate readings anywhere Auto off function to extend battery life 1 x AAA alkaline battery included,