Abstract: A wash bucket for use with detergent and water to ensure that the detergent and water are mixed in a predetermined ratio. The wash bucket has a cup within the wash bucket cavity. In some embodiments the cup is attached to the wash bucket structure and not easily removed by hand. In other embodiments the cup is removably attached to the wash bucket structure. A proper detergent to water ratio is achieved by filling the cup to a point indicated on the cup and then filling the wash bucket to a point indicated on the wash bucket.