Baking soda (sodium bicarbonate) is a household cleaning powerhouse, especially when it comes to cutting through stubborn, sticky grease. However, simply dumping dry baking soda onto a greasy surface won’t magically lift the grime.
To make it work, you need to prepare it the right way: by mixing it into an active paste or a dynamic cleaning spray.
Here is how science makes baking soda work on grease, and how to prepare it for different areas of your home:
The Science: Why Baking Soda Cuts Grease
Grease is primarily composed of hydrophobic fats and oils that repel plain water. Baking soda acts as a mild abrasive and a gentle alkali (mild base). When mixed with water and cleaning agents, it saponifies fats (turning them into a soap-like consistency that dissolves in water) and provides just enough grit to scrub away sticky residue without scratching surfaces.
How to Prepare Baking Soda for Different Areas
1. The Heavy-Duty Paste (For Ovens, Stove Burners, and Cast Iron)
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The Recipe: Mix 3 parts baking soda to 1 part warm water in a small bowl until it forms a thick, spreadable paste (the consistency of frosting).
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How to use it: Spread a thick layer over burnt-on grease inside your oven glass or stovetop burners. Let it sit for 30 minutes to overnight (it will dry and turn chalky). The prolonged contact breaks down the polymerized grease bonds. Scrub gently with a non-scratch sponge and wipe clean with warm water and vinegar.
2. The Degreasing Power-Boost (For Greasy Countertops, Cabinets, and Backsplashes)
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The Recipe: Combine baking soda with a surfactant to break surface tension. Mix 2 tablespoons of baking soda with 1 teaspoon of liquid dish soap and warm water in a spray bottle or bowl.
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How to use it: Dish soap breaks down grease molecules on contact, while the baking soda provides mild scrubbing power. Spray or wipe the mixture onto greasy kitchen cabinet doors or tile backsplashes, let it sit for 2 minutes to lift the oil, then wipe away with a damp microfiber cloth.
3. The Fizzing Scrub (For Greasy Kitchen Sinks and Drains)
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The Recipe: A dry dusting of baking soda combined with an acid activator.
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How to use it: Sprinkle a generous layer of baking soda directly into a greasy stainless steel sink. Pour plain white vinegar over it. The resulting chemical fizzing reaction creates carbon dioxide bubbles that lift trapped grease particles and food oils off the surface, making them easy to rinse down the drain with boiling water.
⚠️ A Few Important Warnings
While baking soda is safe for most surfaces, its alkaline nature and mild abrasiveness mean you should avoid using it on:
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Aluminum: Baking soda can cause aluminum to oxidize and turn a dull brown/gray.
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Natural Stone: Unsealed granite or marble can be dulled or scratched by abrasive scrubbing over time.
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Glass Cooktops: If applied dry and scrubbed aggressively, baking soda crystals can micro-scratch ceramic glass stovetops. Always use a well-mixed paste and a soft cloth.
