Magica Rust Remover 8 Oz Gel Bottle. Does not contain any harmful or corrosive acids, so it is completely safe to use. Transforms the rust stain into harmless salts so they can be easily rinsed away. Fast and easy to use so you can remove many stains. Save your trip to the dry cleaner Use this. This Stuff WORKS!!!Magica Rust Remover 8 Oz Gel Bottle.does not contain any harmful or corrosive acids, so it is completely safe to useTransforms the rust stain into harmless salts so they can be easily rinsed awayast and easy to use so you can remove many stainsSave your trip to the dry cleaner Use this. This Stuff WORKS!!!