Fortunately you can solve this problem fairly easily with using muriatic acid.
Muriatic acid uses rust.
Volcanoes spew muriatric acid into the air during eruptions.
Contact with the chemical will dry out.
Fumes from muriatic acid can make your eyes sting.
Because it is a strong corrosive inorganic mineral acid one of its primary uses is removing rust.
Anti rust coating of steel equipment.
Its fumes can be highly toxic when they are released into air.
Fill a bucket full with.
The use of muriatic acid to remove rust on metal is a contentious topic as the substance can potentially lead to more rapid oxidization in the future.
Now phosphoric acid isn t necessarily a rust remover.
It can be used to remove rust from a wide variety of objects and substances.
So the cautious diyer should only use it only.
Put on rubber gloves a dust mask and goggles.
Let metal soak for at least a day if it s rusted like upstate ny metal.
Great care however must be taken in doing so.
Wash the parts very thoroughly after soaking.
Muriatic acid has drawbacks but it works quickly and people use muriatic acid to clean car parts and other objects that can sustain a certain amount of corrosion without being damaged.
Open the windows and doors in the area to ventilate the workspace.
Since this acid can work well with light levels of corrosion it is often used to perform light passivation i e.
Mix muriatic acid from lowes with water.
Though the process for removing rust from your gas tank is easy enough that you can do it yourself you will want to ensure your safety and employ adequate safety measures due to the caustic fumes the muriatic acid emits.