ALUMINUM BRIGHTENER: Concentrated acid that will brighten shiny aluminum without etching or turning surface silver-gray. Dilute up to 1:50, pH 1-2. Color: clear, Scent: N/A. #5366

BRIGHTENER 875: Aluminum and fiberglass cleaner that removes heavy salt corrosion and water stains from marine vessels. It also can be used to brighten older aluminum trailers and dirty rims. Dilute up to 1:50, pH 1-2. Color: clear, Scent: N/A. #5875