Abstract: A cleaning, rinsing and sanitizing apparatus for cleaning and sanitizing food preparation equipment which includes a mounted or portable spray system, including connecting hose, appropriate valving, and a proportionaire or metering valve for selectively mixing incoming streams of water and a selected chemical or chemicals. The system apparatus includes at least two chemical supply tanks with connecting hoses in valved cooperation with the proportionaire valve, such that any one or a combination of chemicals, as desired, can be simultaneously introduced into the proportionaire valve and thence to the spray nozzle in selected concentrations.