Calcium Carbonate (Limestone)
Is Calcium Carbonate powder and paint all I need to make chalk paint, or are there other ingredients? Also how much powder for 1 gallon of paint is needed? Yes, Calcium Carbonate, Water, and Paint is all you need to make chalk paint. We recommend using 4-8 cups of Calcium Carbonate per gallon paint depending on how smooth you want your chalk paint.
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