How to Clean Shower Curtains Rid your plastic or fabric shower curtains and liners of mildew and soap scum by simply tossing them in the washing machine. Begin a regular cold cycle, adding a cup of detergent and a cup of vinegar. Once the machine is filled with water, shut it off and let soak for two hours. Then resume the cycle for stain-free results.
how to clean a moldy shower curtain without bleach