General Tips Mediums TutorialsJuly 14, 2023Grumbacher Gesso is a thick, acrylic-based gesso that works well for priming raw canvas.Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment *Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Previous Story Using Acrylics in Oil Painting Next Story Prepping Masonite