Courtrai Pebeo drying medium 75ml The Medio Courtrai is a comparable product to the Liquin. Speeds up the drying process and ensures that dense layers harden evenly. Suitable for all variants of oil paints. This product is highly concentrated and should be applied with caution, drop by drop! It is transparent and does not affect even the lightest tones. Ideal for educational environments where faster drying is sought! Brand: Pebeo.