Bluelab Conductivity (EC) Pen Type:EC If you are using a

If you are using a hydroponics reservoir system

Terpinator® does not contain these inputs

Do not store in areas with average temperatures below 40 degrees Fahrenheit

This kit also includes probe cleaner and a cleaning instrument

Bluelab Conductivity (EC) Pen Type:EC If you are using aA 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,