
Rust on your Blackstone griddle can turn a barbecue into a cleaning nightmare. Wondering how to clean it quickly?
What Causes Rust?
Rust is the result of a reaction between the iron in the griddle, oxygen, and moisture, forming iron oxide. Common causes for home cooks include:
- Improper Storage: Leaving the griddle exposed in damp or rainy conditions.
- Neglecting Seasoning: Skipping the protective oil layer on the metal surface.
- Infrequent Cleaning: Allowing food residue and grease to trap moisture.
- Environmental Factors: Exposure to dew, snow, or coastal air accelerates oxidation.
Tools and Materials Needed
To effectively tackle rust while keeping cleaning eco-friendly, gather these supplies:
- White Vinegar: A natural acid that safely dissolves rust.
- Baking Soda: A gentle abrasive for scrubbing tough spots.
- Food-Grade Mineral Oil: For seasoning the griddle to prevent future rust.
- Medium-Grade Steel Wool: Ideal for scrubbing without damaging the surface.
- Microfiber Cloth: Reusable and sustainable for wiping and drying.
- Scraper: A Blackstone-compatible tool to remove loose rust.
- Spray Bottle: For even application of vinegar or other solutions.
- Gloves: Protect hands from rust and cleaning agents.
- Apron: A practical touch to keep clothes clean.

Vinegar Soak for Surface Rust
Best for: Surface rust or small patches.
Steps:
- Mix equal parts white vinegar and water in a spray bottle (e.g., 1 cup each).
- Generously spray the solution on rusted areas. For larger patches, soak a microfiber cloth in the solution and lay it over the rust for 15–20 minutes.
- Gently scrub in circular motions with steel wool to remove loose rust.
- Rinse with water and dry immediately with a microfiber cloth.
- Season the griddle with a thin layer of mineral oil, heat on low for 15 minutes, then wipe off excess.
Baking Soda Paste for Stubborn Rust
Best for: Deep or caked-on rust.
Steps:
- Make a paste with 3 tablespoons of baking soda and 1 tablespoon of water.
- Apply the paste to rusted areas using a microfiber cloth or gloved fingers.
- Let the paste sit for 10 minutes to break down the rust.
- Scrub with steel wool or a grill brush, focusing on tough spots.
- Rinse thoroughly and dry with a microfiber cloth.
- Season the griddle as instructed in Method 1.
Vinegar and Salt Scrub for Moderate Rust
Best for: Rust spread over a larger area.
Steps:
- Sprinkle coarse kosher salt over the rusted spots (about 2 tablespoons for a 36-inch griddle).
- Spray white vinegar over the salt until it forms a gritty paste.
- Let the mixture sit for 10–15 minutes to loosen the rust.
- Scrub with steel wool or a scraper, using the salt’s abrasiveness to remove rust.
- Rinse and dry thoroughly, then season the griddle.
A rusty Blackstone griddle doesn’t have to ruin your family’s barbecue plans. With these methods, you can clean the rust and restore a spotless surface.