BENEFITS Soluble powder with high nutrient availability. High in soluble potassium. Enhances soil biology and benefits plants at all stages of growth. Excellent as a foliar spray. GAIA GREEN Soluble Seaweed Extract is made from North Atlantic Kelp (Ascophyllum nodosum). This species of kelp is considered to be the finest agricultural seaweed in the world. Soluble kelp may be applied to soil, but is most effective as a foliar spray. This product can be used on home gardens, landscapes, lawn, and turf, and is suitable for a full range of plant types.