How To Clean Sunbrella Fabric Mildew. For best cleaning results, stains should be cleaned as soon as they occur. Prepare a solution of 1 cup of bleach and 1/4 cup mild soap per gallon of clean water.
Disinfecting or sanitizing often requires the use of strong chemicals that might damage other fabrics. To remove mold or mildew: By mild soap, we mean mild laundry soap such as tide or gain.
To prevent accumulation of mildew, you should clean your sunbrella.
How to clean sunbrella fabric: Allow mixture to soak into fabric for up to 15 minutes. To do this, prepare a solution of 1 cup bleach and 1/4 cup of mild soap per gallon of water and soak the stained area for 15 minutes. To clean mildew, or other stubborn stains: