Daren, Tatu, If you want to keep the aluminum look, you can use a product called Everbright coatings. It is used to coat a clear finish on metal with no effects or discoloration to the metal finish and keeps moisture away from the metal and avoiding oxidation. It can be wiped on with a rag or sprayed and it needs no maintenance once applied. It is also non toxic and is safe after it drys. Anodizing is better if the finish if clear aluminum or if a colored finish is acceptable, if you want a polished aluminum finish then the Everbright coating is the way to go and you don’t need a professional to apply it for you. I used this product for a moisture issue on a radiation cooling system that had condensation build up and caused Oxidation on an aluminum fitting panel, worked perfect.