1/2 to 1c.epsom salt (the harder the water, the more salt)
1/2c.washing soda
1/2c.baking soda
1/2c.baby OxiClean
Instructions
Mix all ingredients together in a container.
To use, add 1 tablespoon (more for heavily soiled items) to the wash.
Notes
About Clumping: Depending on the humidity of where you live, sometimes this recipe will clump. This can be alleviated by pulsing the powder in a blender or food processor.