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.

Royal Black can benefit almost anything that grows.

• 100% organic.
• Increase nutrient uptake.
• Increase drought tolerance.
• Increase seed vigor and sprouting when used in started growing medium.
• Stimulate beneficial microbe in outdoor soil.
• Buffers against high fertilizer salts and pH changes.
• Initiates and sustains vigorous root development.

Compatible with all quality brand name nutrients.

Available in 2 sizes:

• 1ltr
• 4ltr