Combine liquid soap, baking soda and hydrogen peroxide.
Stir to dissolve.
Add cold water and pour into glass spray bottle.
Spray liberally onto fabric. Allow to air dry. Then vacuum or wipe clean with a damp cloth. Allow to air dry again.
For best results, use product immediately.
Notes
To make it a double power paste: Omit water and double baking soda. Stir to combine and rub directly onto the fabric. Then air dry and proceed as directed.