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How to wash a leotard
Choose your stain remover.
The source of the stain will play a role in how you get rid of it. A tomato-based stain, for instance, requires a different approach to removal than an ink stain.
Removal tools include chalk, baking soda, peroxide, and vinegar, each of them ideally suited to a certain type of stain. Vinegar is great for whitening and removing grass stains.