Mystery Chemicals

[rbroome]

Hydrofloric acid certainly has a bad reputation. But if in spite of that, you would like to buy some, it is for sale at Walmart.

https://www.walmart.com/ip/Whink-Rust-Stain-Remover-10-Ounces/21798682

https://www.rustoleum.com/product-catalog/consumer-brands/whink/rust-stain-and-removers/rust-stain-remover