How to Remove Scale & Oxidation From Aluminum

Aluminum pots, pans and kettles can develop scale and oxidation buildup on their interior surface. The scale comes from lime and other mineral deposits left behind when water is boiled inside the aluminum. Oxidation occurs when the aluminum darkens or discolors after use at high temperatures. Scale deposits and most oxidation marks aren't permanent if you clean the pot correctly. Removing the discolorations and chalky scale buildup makes the aluminum shine and look like new again.

Cream of tartar
Sponge
Baking soda
White vinegar

Instructions

- 1
  Fill the aluminum pot with hot water until the water level is above the oxidation or discolored marks. Add 2 tablespoons cream of tartar to 1 quart of water.
- 2
  Bring the water to a full boil. Simmer for 10 minutes, adding more hot water to the pot if the water level drops as it simmers.
- 3
  Dump the hot water out of the pot. Scrub the interior with a sponge to wipe away most of the remaining discoloration.
- 4
  Combine two-parts baking soda with one-part white vinegar to make a paste. Smear the paste onto hand remaining scale marks.
- 5
  Leave the paste to soak into the scale for 10 to 20 minutes. Rub the paste into the scale marks with a sponge, scrubbing away the scale, after the soaking time ends.
- 6
  Rinse the aluminum pot in hot water. Wash in soapy water or in the dishwasher, as usual.

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