Cement Stain Dries in Seconds UV Stable for Interior and Exterior Use Not to be used for Polishing Must fill bottle with Acetone Coverage 100-150sq ft Speed Color Dye penetrates and colors concrete and other cementitious surfaces. When properly applied, Speed Color creates beautifully mottled effects similar to acid stain in a matter of seconds without the wait time required by acid. A translucent dye, Speed Color colors can be combined into countless variations and hues, or layered for unique effects. Speed Color comes in a convenient pre-measured plastic container. Simply add acetone to the fill line to make 32 ounces of Speed Color dye. The Speed Color Dye samples shown are representative of Speed Color applied to standard, gray concrete using the directions provided on the Technical Data Sheet. Results may vary depending on the condition, age and makeup of the concrete, and/or the application methods used. Always test prior to use.