Our Humic Acids are the strongest products available testing at 79.51% strength. Natural Black Ore Humic Acid is prehistoric plant matter that has been completely decomposed into a bio-active compound and compressed into many coal-like solids. Natural Black Ore is produced in accordance with NOSB (National Organic Standards Board) guidelines. Natural Black Ore SUPERIOR STRENGTH HUMIC ACID IS NOT A FERTILIZER. It is an effective soil enhancer A plant growth bio-stimulant, A chelating agent and a disease suppressant, High in both humic and fulvic acids, auxins, minerals, vitamins. In addition, Humic Plus is highly beneficial to both plants and soil. In soil it can; increases microbial and mycorrizal activity, promote nutrient uptake, accelerate seed germination, drought tolerant, aid in reducing frost damage, can be foliar and soil applied, reduce fertilizer requirements and increase yields. Use at planting stage to help start root growth and throughout the growing season. Application Rates: Natural Black Ore can be foliar and soil applied. Re-Potting: 3-5 gal. container: Add approx. 1 ounce into soil, mix and water. In Ground Use: Sprinkle 2 ounces of Humic Acid around trunk basin and lightly mix into soil. It can be added at any time in any stage of growth since Natural Black Ore is not a fertilizer you cannot over apply. Hydroponic Systems, Tank Mixing: Take a Natural Black Ore T-BagTM and pour approx. ½ to 1 ounce, tie to secure and place T-BagTM into hydro feeder. Humic Plus does NOT contain synthetic chemicals, animal components, animal by-products, manure or manure by-products. Natural Black Ore is environmentally safe and is not harmful to animals, plants or humans. Also available in bulk contact us for details.