This invention generally relates to a mixing apparatus and a method useful in the repair of coating adhered on a can end used in the food and beverage packaging industry. The mixing apparatus has a plurality of holding tanks in fluid communication with a first fluid delivery system and a mixer. A pressure tank is provided which is in fluid communication with the mixer. A spray device is provided which is in fluid communication with a second fluid delivery system and the pressure tank. A plurality of liquids or fluids are flowed through the first fluid delivery system, the plurality of liquids or fluids are mixed in the mixer to yield a mixed solution which is flowed to the pressure tank and the mixed solution is flowed through the second fluid delivery system and dispensed on the can end. A method for the repair of coating adhered on a can end is provided as well.