bro naka suway mi gamit ani...what we did kay nag palit sd mi ug milk powder nya s lain n cup did2 gi mix namu ang boric acid, water ug milk until murag na xa ug paste human amu gi pamutang s gilid2x sulod s amu balay...effective au ni xa since ang milk mka attract s mga roaches nya if ila kan-on deads cla...ang uban roaches if mka simhot cla ani magpalayo daun...