The present disclosure is directed to antimicrobial compositions comprising a hypochlorite salt a copper (II) salt and an optionally acid that is an inorganic acid an organic acid or a combination thereof and optionally a buffering agent and having a chlorine concentration of between 0.1 ppm and 300 ppm and a copper (II) concentration of between 0.1 ppm and 300 ppm. Methods of making and using these compositions is also described.