Selecting a penetrating fluid that works best to loosen frozen bolts is important. However, it's also important to select a penetrating fluid that prevents future rust. In this video, brake fluid, Seafoam Deep Creep, CRC Knock'er Loose, Royal Purple, Liquid Wrench, WD-40, WD-40 Rust Specialist, BG In-Force, AeroKroil, and PB Blaster compete in a rust prevention showdown. The results are rather surprising, demonstrating that price doesn't always correlate with performance. Hope this video helps you save time and money in selecting the best penetrating fluid for your needs! Thanks for supporting the channel by watching the commercials and through Patreon support