This 12% Humic Acid Plant and Bloom Booster is high in plant-derived minerals for optimum plant health and extended bloom times. Simply mix 1-2 teaspoons per quart of water and drench the soil. Includes humic acids to help plants extract nutrients from the soil, ulmic acids that act as root stimulators, and fulvic acids to give plants strength to withstand stresses. We have definitely seen extended bloom times using this product. 1 quart.