Two Thin Coats: Spirit Medium (185)Spirit Medium is the quintessential product to thin your paints without losing the strength of the colour and breaking down the paint pigment to give you a smooth blend perfect for blending. The Two Thin Coats Effects paints were originally launched as extras for the various Kickstarter campaigns for Waves 1, 2 & 3. As with all Two Thin Coats paints, these are formulated for smooth and easy to use painting. These paints are all water based acrylics