Jo Sonja 250ml Decor Crackle Medium Painting Exterior Murals Blog This medium is formulated to

This medium is formulated to be mixed with the Matisse Structure or Flow Formula acrylic paints to add an iridescence to them

It dries to a gloss film that has an increased resistance to yellowing

Non-yellowing

The coloured tint allows the artist to see the areas where it has been applied

Test on fabric to see if you are getting good coverage without bleeding

Jo Sonja 250ml Decor Crackle Medium Painting Exterior Murals Blog This medium is formulated toJo Sonja's Dcor Crackle is a transparent medium to be used BETWEEN layers of Jo Sonja's Artists' Colours to provide a weathered paint or aged appearance. The top colour will break apart to reveal the base colour. Metallic and Iridescent colours should not be used over Dcor Crackle as they will not work effectively. They may however be used as base coat colours. Pre test varnish over Decor Crackle as some water based varnishes can reactivate this