Grumbacher Oil Painting Medium II Slow Dry 2.5oz
Grumbacher Oil Painting Medium II is ideal for use when one wishes to slow drying time and is especially useful for wet-in-wet techniques. It imparts a high gloss to 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