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Automotive Fluids & Additives

Penetrating Oil & Rust

7 tests since 2018

Most recent test Aug 2021

Best Rust Converter? POR-15, Eastwood, Rust-oleum Rust Reformer, Gempler's

WinnerPOR-15

See the full verdict →

Older tests below are kept for reference. Products change; lead with the newest result.

Earlier tests

Molasses

Jul 2019 · 2 tested

Is Molasses better than Evapo-Rust? Let's find out!

Penetrating Oil & Rust

Gibbs

Apr 2019 · 4 tested

Does Water work better than Penetrating Oil for Rusty Bolts? Let's find out!

Penetrating Oil & Rust

Nov 2018 · 3 tested

Candle Wax to Loosen Rusty Nuts a Myth or Hack? Let's find out!

Penetrating Oil & Rust

Krud Kutter

Jul 2018 · 5 tested

Rust Remover Showdown. Will Evapo-Rust prevail?

Penetrating Oil & Rust

Royal Purple

Jul 2018 · 8 tested

Do Penetrating Oils Block Rust? Let's find out!

Penetrating Oil & Rust

Liquid Wrench

Apr 2018 · 5 tested

Which Penetrating Oil is Best? Let's find out!

Penetrating Oil & Rust