The good news is cleaning anodized aluminum is easy. The catch is you have to use the right technique.
A few key points:
- Use an abrasive cleaning technique with a gentle soap. An abrasive cleaning sponge with mild dish washing liquid can work well.
- Do not use harsh acidic or alkaline cleansers because they may destroy the finish.
- Use solvents with care as they may stain the finish.
- Try cleaning a test area