Grumbacher Oil Painting Medium III Rapid Dry 2.5oz
Grumbacher Oil Painting Medium III is ideal for speeding drying time, especially for glazing. It imparts a high gloss when dry. Add directly to oil paint in small amounts.
Only dilute with turpentine or Grumtine--petroleum based solvents and odorless paint thinners are not compatible with this product. Use in a well ventillated area.