The United States Environmental Protection Agency recommends using a mixture of equal parts white vinegar and baking soda to remove carpet stains.
Good Housekeeping provides a step-by-step guide on how to use baking soda and vinegar to remove tough carpet stains, including red wine and pet accidents.
Researchers at North Carolina State University conducted a study on the effectiveness of baking soda and vinegar in removing carpet stains, with promising results.
This video tutorial demonstrates how to make a natural carpet stain remover using baking soda and vinegar, with before-and-after footage of the results.
The Spruce provides a simple recipe for a baking soda and vinegar carpet stain remover, along with tips for using it effectively and safely.
This article from Care2 discusses the benefits of using natural ingredients like baking soda and vinegar for carpet cleaning, including their environmental and health benefits.
Homedy offers a carpet stain remover tool that uses a combination of baking soda and vinegar to lift and remove tough stains, with a built-in brush for easy application.
This article from Science.org explores the chemistry behind why baking soda and vinegar are effective at removing carpet stains, including the role of acid-base reactions.