Art Spectrum Medium #1 is ready to use straight from the container and is the leanest of the Art Spectrum mediums. Depending on climate and thickness of the paint, Medium #1 will usually dry overnight. It contains a balanced amount of stand oil and turpentine for a well balanced and permanent paint layer. Use to clean and lessen absorbency of pre-primed canvas, simply wipe on and then wipe off.

Art Spectrum Oil Medium range is also available in #2, #3 and #4 Liquol