A concentrated detergent-acid cleaner specially designed to clean and deoxidize aluminum and stainless steel surfaces. AL-BRIGHTENER is formulated to penetrate oily-greasy soils quickly and remove unsightly stains caused by oxidation and humidity on all aluminum metal surfaces and parts. AL-BRIGHTENER contains NO hydrofluoric acid and will not etch glass or deteriorate rubber. AL-BRIGHTENER can be applied by spray or brushed on, and rinses off easily.