Outdoor furniture cleaning solution: to 1 gallon of hot water, add: 1 cup Borax, ½ cup hydrogen peroxide, ¼ cup liquid dish soap (whatever you have on hand, but I like Dawn). Stir to dissolve Borax, then apply to furniture & cushions with a brush or scrubby sponge (check fabric for colorfastness, but peroxide would usually have to stand on fabric for hours to have a bleaching effect, if any). Rinse & repeat, if necessary.
How to Fix Faded Aluminum Patio Furniture Using Just ONE Common Household Item
Cast Aluminum Patio Furniture Care, Cleaning & Tips CARE: Cast aluminum furniture should be covered in the winter or stored in a shed or garage to protect it from harsh elements. TIP: Maintain or restore the luster of the powder-coated finish of your cast aluminum furniture by applying a coat of clear liquid car wax once a season.