Leonardite-Derived Humic + Fulvic Blend with Potash

Pro Powders Humic 100 is extracted from high-grade leonardite and contains a powerful blend of humic acid, fulvic acid, and soluble potash. With 72% humic acid and 10% K₂O, this product improves soil structure, nutrient retention, and root development.

Ideal for soil conditioning, transplant support, and improving fertilizer efficiency.