This product is a post emergent, systemic herbicide with no soil residual activity. It is generally non-selective and gives broad spectrum control of many annual and perennial weeds, woody brush and trees. Gly Star provides control of more than 100 grasses and broadleaf weeds. It is formulated as a water-soluble liquid. No additional surfactants, additives containing surfactants, buffering agents or PH adjusting agents are needed or recommended. It may be applied through most standard industrial or field-type sprayers after dilution and thorough mixing with water or other carriers according to label instructions. Gly star pro has 14% surfactant included. Surfactant is what makes it stick to & breakdown on grass & leaves. It comes in a 2-1/2 gallon container. The active ingredient is 41% Glyphosphate.