From the Schmincke website:
Handling
- Shake well before use.
- The recommended dosage for MUSSINI medium 1 is 10% - 20 %.
- The product is ready to use, but can be diluted with turpentine substitute.
- Please clean tools like brushes or palettes as soon as possible with oil of turpentine, turpentine substitute, or brush cleaner.
- Recommended for thin grounds and to paint over gouache, tempera and acrylic paints.
- Close immediately after use.
- Store in a cool and dry place.
- Individual pre-tests are required.