#$%^&*AU2018204693A120180719.pdf#####ABSTRACT The present invention relates to a water-dilutable antimicrobial composition comprising a first acid being one or several C6-C12 fatty acid(s) and a second acid being a mixture of propionic acid and lactic acid, wherein the said composition comprises at least 0.1% of the said first acid (weight first acid : weight composition), wherein the weight ratio between the said second acid and the said first acid is of at least 8 (weight second acid : weight first acid) and wherein the pH of the said composition is less than 5.0. The application also relates to a method and the use of the water-dilutable antimicrobial composition for sanitizing a surface.