What Causes Stains on Towels

The mineral buildups can lead to discolored spots on your towels. The minerals could also be building up inside the washing machine, and the towels may be picking up the extra minerals in the wash cycle. This may result in rusty-colored spots on lighter towels.

How do I stop my towels from discoloring?

When fabric is laundered after contact with wet disinfectant, a chemical reaction will occur causing unwanted discoloration and color spotting. To avoid this, make sure disinfected surfaces are completely dry before setting down your colored towels or other colored fabrics.

What causes yellow stains on white towels?

Even white fabrics made from natural fibers like cotton and linen can turn yellow if they are exposed to too much chlorine bleach. … And, if you are using too much detergent or fabric softener and not rinsing well, the high heat of the clothes dryer can “bake” the residue into the fibers and leave them grey or yellow.