However you can also use rhubarb or tomatoes to clean aluminum siding.
How to clean oxidized aluminum siding.
Rinse from the bottom towards the top.
Turn off the heat and allow the liquid to cool before scrubbing your siding with it.
Mix 3 cups of liquid trisodium phosphate tsp cleaner and 3 gallons of water in a large bucket.
Make sure the aluminum siding is still wet from the rinsing step.
If you don t have an extendable brush try attaching a car wash brush to the end of an extendable painting pole.
Let the cleanser sit for a couple minutes before scrubbing.
This can be purchased in sprayable or paste solutions which are very easy to apply.
Use a ladder to allow the water to spray the siding at a downward angle.
These are simply sprayed or rubbed onto the surface of the aluminum and then buffed up using a clean cloth.
Allow it to air dry.
Rinse the aluminum surface.
Mix 1 3 of a cup of laundry soap and 6 gallons of water.
Apply to the stains and scrub with a soft bristled brush.
If you are cleaning an aluminum pot or pan rinse the pan under a strong jet of water.
Begin the process of cleaning oxidized aluminum by rinsing the aluminum to remove surface dust or debris.
Begin scrubbing the siding using a scrub brush.
The goal in cleaning the metal siding is not only to remove dirt and grime but to remove all the chalky oxidation wax or grease that may be on the surface so the coating can adhere properly.
Clean the surface of the aluminum siding with a water sprayer.
Rinse thoroughly and do not allow any detergent to dry onto the aluminum.
Scrub with siding brush.
Step 2 dealing with light oxidation.
Then submerge a long extendable scrub brush in the cleaning solution.
Step 2 mix 1 cup of dish soap with 2 gallons of hot water.
Refinishing your siding or other painted metal is a two step process.
Dip a cellulose sponge into the solution and scrub the surface of the oxidized aluminum applying moderate pressure and making even strokes.
Wring and rinse the sponge and then use it to rinse the aluminum clear of detergent.
One that is designed to clean recreational vehicles works great.
If the oxidation is mild and light then you should be able to use an oxidation removal product without acid.
If you are cleaning aluminum wheels or house siding use a damp cloth to wipe the aluminum or a hose to it with water.
Use the sprayer wand to evenly disperse the tsp mixture all over that section of siding.
Add in a few stalks of rhubarb tomatoes or lemons and boil the mixture.