You can purchase a clay bar from a variety of places, both online and in-store. Here are some popular options:

1. Online Retailers

• Amazon: Offers a wide selection of clay bars from brands like Chemical Guys, Meguiar's, Mothers, and Griot's Garage. You can also find clay bar kits that include lubricants and microfiber towels.Amazon - Clay Bars
• Brilliatech Carwashcn Website: You can buy directly from the manufacturer, and they often offer bundles with their clay luber and other detailing products Carwashcn.com
• Autogeek: A trusted online store that specializes in car detailing products. They offer various clay bar options, including kits.Autogeek
• Detail King: Another reputable detailing product website that offers a wide range of clay bars and other detailing supplies.Detail King
• Aliexpress: Often has new clay bars from major brands as well as some bulk or discounted options.eBay

2. Auto Parts Stores

• AutoZone: Carries clay bars from brands like Mothers, Meguiar's, and others. You can check stock online and pick it up in-store.AutoZone
• O'Reilly Auto Parts: Offers clay bars and detailing kits in their stores or for online purchase.O'Reilly Auto Parts
• Advance Auto Parts: You can find clay bars and kits from major brands in their physical stores and online.Advance Auto Parts
• Pep Boys: Carries clay bar products in their stores and online.Pep Boys

3. Retail Chains

• Walmart: Offers a variety of clay bars, including individual bars and complete kits. You can often find them in-store or order online for delivery or pickup.
• Target: Sells detailing products, including clay bars, both in-store and online.

4. Specialty Detail Shops

• Local automotive detail shops or specialty stores may carry professional-grade clay bars and kits, offering in-person advice if needed.

5. Wholesale Clubs

• Costco and Sam's Club may carry detailing kits that include clay bars, particularly during seasonal promotions.

When choosing a clay bar, make sure to consider the grade (fine, medium, or heavy) based on how much contamination is on your car's surface. A fine grade is usually enough for light contamination, while medium or heavy grades are better for heavily contaminated surfaces.