Akua Transparent Base is Akua Intaglio Ink without the pigment. It can be used with both Akua Liquid Pigment and Akua Intaglio inks. Adding Akua Liquid Pigment to Transparent Base will thicken Akua Liquid Pigment and create new intaglio or relief colors. Adding Akua Intaglio ink to this base will increase ink transparency. Transparent Base is light amber in color with a thick consistency.