AquaFilm® Concentrate J74 is a proprietary emulsion of unique organic compounds designed to minimize moisture loss from fresh concrete. AquaFilm Concentrate J74 is economical as a concentrate and is diluted with potable water at a 9 to 1 ratio. Water based, AquaFilm Concentrate J74 is V.O.C. compliant and contains a blue fugitive dye for ease of visual inspection during application.