This site contains affiliate links for which we may be compensated.


Penetrating Oil Showdown ~ Which Penetrating Fluid is Best?

Penetrating Oil Showdown

This test demonstrates that not all penetrating oils are equal. The see-through plastic/rusty bolt test shows which ones actually penetrate and which ones don’t.

So, which penetrating fluid is best? In this showdown, Project Farm tests:

  • Brake Fluid,
  • Seafoam Deep Creep,
  • Fluid Film,
  • BG In-Force,
  • WD-40 Rust Specialist, and
  • CRC Knock’er Loose.

In the end, Deep Creep won the competition, with CRC Knock-er Loose coming in a close 2nd…