This product can increase the quality of system stability and to prevent the water quality change acid, bacteria and micro-organisms in water to prevent breeding of rust prevention plumbing system, enhanced cooling tower system performance. Thoroughly clean the surface of objective item or mould , press the finger approoximmately 23-35cm from the object and sprat eventy Caution : Do not dispose of into fire or open flance Do not spray with the can upside-down Do not throw the can even empty one into the fire Please store in a cool and dry place with temperate below 40’c