Bluelab® Conductivity Pen Trimming easy to brew blend of

easy to brew blend of organic matter that is packed full of healthy soil microbes

The potassium further improves bloom development and quality while impacting photosynthesis

Silicate helps strengthen plant tissue

DTE Granular Humic Acids is derived from the ancient remains of decomposed organic plant materials

With three forms of chelated iron and urea for an acidic rhizosphere

Bluelab® Conductivity Pen Trimming easy to brew blend ofA 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,