Royal Black Humic Acid gets the most out of your plants. This powerful mix comes packed with active Humic Acid compounds, essential for plant growth by binding molecules together to encourage the production of magnesium, calcium and iron. The increased ion-exchange properties in Royal Black makes it easier for your plants to get the most out of mineral elements. Royal Black works as a pre-treatment. Use when watering to promote faster plant growth. Royal Black is 100% organic and provides lasting physical, chemical and biological benefits to your growing. Royal Black is derived from a premium source of Humates for optimal plant growth. Use Royal Black with confidence when starting to grow your plants and watch with satisfaction as they thrive!