Mediums & Varnishes

Retarder Pint

Used to slow the drying of acrylic paints and extend your painting time, this additive is a must-have for acrylic artists who like to work at their own pace. Useful for "wet in wet" techniques, this retarder slows your drying time and reduces...

OPEN Thinner is designed to thin the consistency of OPEN Acrylics without altering open time and maintain or adjust the workability of colors on your palette. It can also function as a thin-bodied retarder when used with heavy body or fluid acrylics...

OPEN Thinner is designed to thin the consistency of OPEN Acrylics without altering open time and maintain or adjust the workability of colors on your palette. It can also function as a thin-bodied retarder when used with heavy body or fluid acrylics. It...