Myco Madness by Humboldt is specifically designed to expand your plants' root systems into various grow media and enhance to absorbent surface on the roots themselves. This product is highly effective because it contains a bio-stimulant package, 18 mycorrhizal species, 19 beneficial bacteria and 2 trichoderma species. The mycorrihizal fungi then penetrates and colonizes the roots. Conveniently well-suited to a variety of media, soil conditions, climates and plants. Myco Madness is an overall great supplement that helps link the plant roots, organic matter and fertilizers of all types. As a result you will notice improved plant nutrient and water uptake. Quantity: 1 lb. Water soluble.