A method of manufacturing a stain and odor treatment composition is provided. In one embodiment, the method includes providing a powdered buffering agent, combining an odor-modifying agent with the powdered buffering agent, and mixing the odor-modifying agent with the powdered buffering agent. The method also includes combining a powdered oxidizing agent with the powdered buffering agent and the odor-modifying agent, mixing the powdered oxidizing agent with the powdered buffering agent and the odor-modifying agent, and sealing the intermixed powdered buffering agent, the odor-modifying agent, and the powdered oxidizing agent in powdered form in a container substantially isolated from moisture.