Water based thinner specifically designed for use with Ammo acrylics also compatible with other acrylic brands as well. This is the necessary product for painting semi-transparent acrylic coats with brush or airbrush easily without changing the quality and finish of paint. It is water soluble odorless and non-toxic. Shake well before each use. It includes a stainless steel agitator to facilitate mixture. Dries completely in 24 hours.