Works in cold water. One product for many uses. 3 oz./gal. (1:42) makes 10.8 end-use gallons, which is equivalent to: 5, 2-gallon mop buckets. Each 6x1 case makes 65 end-use gallons. 12 oz./gal. (1:10) makes 2.8 end-use gallons, which is equivalent to: 11 quarts. Each 6x1 case makes 66 end-use quarts.