CLR is a well-known product that effectively removes stubborn lime, calcium, and rust stains. Its powerful formula is also eco-friendly, containing a high amount of biobased ingredients. This has earned it certification from the USDA's Bio Preferred program.
I bought the same hat 2 years ago to wear when I travel in Europe. People don't ask silly questions about the US. The hat fits well and looks great! Clearly marks me as Canadian.
