- 1). Scrub the aluminum surface with a nylon bristle brush to loosen the corrosion. Remove as much corrosion flakes as possible with the brush.
- 2). Sand out the remaining corrosion pits using fine-grit sandpaper. Lightly rub the sandpaper diagonally over the aluminum until the bare metal is exposed.
- 3). Fill a clean plastic bucket with 1 gallon of warm water and 1 tbsp. of mild liquid soap. Thoroughly mix the solution.
- 4). Dampen a microfiber rag in the soapy water. Wipe the aluminum surface with the damp rag to remove sandpaper grit, grime and loose debris. Ensure the aluminum is completely clean before proceeding.
- 5). Moisten another microfiber rag with warm water. Wipe the aluminum surface with the damp rag to rinse away the soapy water and grime.
- 6). Wipe the aluminum with a clean terry-cloth towel until completely dry.
- 7). Spray on a commercially made aluminum cleaner that will remove corrosion. These are available at hardware stores and RV appliance shops. Simply spray it on, let it set for a minute, then wipe off with a clean rag.
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