The right acid works with the right applic

[got polish]

Polishing your AS is huge job anyway you look at it. I know their are some that are dead set against using acid. When the right acid is used correctly its your best Friend. Finding the right acid is 1/2 the battle.The acid I use is called ALU Bright and it a mix of three kinds of acid. There are lots of prod, like it on the market some as good some not. what you really need to look 4 is the % of hydrofluoric(10% or less). Putting it on is the other 1/2. Yes it can burn or pit ,etch and stain the skin of your AS. Most important it can harm your health so don't get in to it with out gearing up (protective gear). so after putting 20-25oz in a 3gl sprayer filled up with water start on the bottom and work your way up. the front and back are hard to do they like to streak so start slow and don't let it dry. What ever works best 4 you "cool" this has always work 4 me.

[Excella CM]

While chemical cleaning requires less energy than mechanical means, it has at least one serious drawback. Capillary action draws the corrosive mixture into the seams between panels, around windows and under rivet heads. It is next to impossible to remove the residue from these crevices and so these areas all begin to corrode. I would advise against it.