1L Royal Gold Black Humic Acid

This product only available in-store.

Royal Black is the most plant-active of the Humic Acid compounds, offering physical, chemical, and biological benefits. Derived from humates, it is 100% organic.

Natural buffering, chelating, and extremely high ion-exchange properties make mineral elements easier for plants to absorb. This results in increased plant vitality, resistance to environmental stress and improved crop quality and yields.