The California Custom Aluminum Deoxidizer - 12 oz is a powerful solution for cleaning and deoxidizing all metal surfaces without streaking. This product must be used with the Purple Metal Polish (or another similar metal polish) to be effective. Sold individually, this aluminum deoxidizer is a practical and essential tool for maintaining the appearance and longevity of metal surfaces. With its ability to clean and deoxidize without streaking, this product offers a convenient and effective solution for metal maintenance.