Orthene® PCO is one of the more popular ways to control German Roaches and many other annoying pests you may have in and around your home or business. The label includes pantry pests, ants, firebrats, crickets, pillbugs, earwigs, and cockroaches. Orthene PCO will work on most German Cockroach infestations, even the bait adverse cockroaches. The active ingredient Acephate continues to be one of the few insecticides that work on the German Cockroach that have become resistant to other insecticides on the market. Orthene PCO is formulated in small pellets which will dissolve very easily in water (warm water is the best for mixing of insecticides). Orthene PCO is great as a crack and crevice treatment and/or for perimeter and spot treatments. Orthene PCO can be used on a variety of surfaces including stainless steel, tile, glass and porcelain. This product should not be used on carpet, upholstery or other stainable items.