This is thoroughly answered here. Herein, how do you make homemade paint thicker?
You will need cornstarch, water, a pot, tempera paint, and a sealable container to make your paint thicker. Have these materials ready when you begin this project. Heat cornstarch and water. Add 4 teaspoons of cornstarch to 3 cups of water in a pot.
Also, how do you fix watery acrylic paint? Thicken Paint with Cornstarch Before you add the cornstarch to the acrylic paint, you must first mix it with water. Use a ratio of 1 ½ cups of cold water to 2 tablespoons of cornstarch. Once it is well-mixed, place it on the stove over low heat.
Keeping this in consideration, can you use flour to thicken acrylic paint?
online that talk about the various ways to thicken your acrylic paint. Some are recommending that you use things like corn starch, flour, joint compound for instance to make your acrylics thicker. While these ingredients may be cheap and on hand, they aren't recommended as you may get some very nasty results.
How do you make paint less watery?
Add 1 part paint thinner for every 3 parts of paint. Mix the paint thoroughly. Test your paint by brushing it onto a flat surface. If the paint is still not the desired consistency, you may need to add more paint thinner and mix it again.
