Soil Hume is a highly concentrated form of liquefied Carbon derived from the highest quality humate source, mixed together with Ascophyllum Nodosum Seaweed harvested in the Icy North Atlantic. Soil Hume is a Humic Acid, Seaweed Blend. This fully packed concentrated blend can be incorporated into any fertilizer program. Contains naturally occurring minerals. Our Humic acid is obtained via a Proprietary Extraction Method versus made from soluble powder making it a very pure and active form. Soil Hume is capable of chelating and retaining soil nutrients in an exchangeable form to be made available for plants and turf. It's safe to use on all types of grass including Bermudagrass, Centipede Grass, St. Augustine Grass, Zoysia Grass, Kentucky Bluegrass, Fescue, Ryegrass, and more. Soil Hume also has application rates for garden and can be used on Indoor plants, Vegetables, Tomatoes, fruit plants, citrus, flowers and hardy trees and bushes.