How to Clean Mildew From a Boat Cover

Written by sidney johns
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How to Clean Mildew From a Boat Cover
Boat covers are typically mildew resistant, but still may fall prey to the spores. (Jupiterimages/Pixland/Getty Images)

A clean boat cover, free of mildew, makes a stored boat a more aesthetically pleasing sight. Many boat covers are made from woven acrylic fabric created to be resistant to mildew, but build-up still may occur. Mildew may be a cause of illness for persons coming in direct contact. Additionally, the spores create an unsightly view when presenting themselves on the cover of a boat. Cleaning off this substance, and hindering its return, can be a simplistic do-it-yourself project.

Skill level:

Things you need

  • Bucket
  • Liquid dishwashing soap
  • Soft bristle scrub brush
  • Bleach
  • White vinegar

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  1. 1

    Mix one gallon of water with 1/4 cup of dish detergent and 1 cup of chlorine bleach. Stir well.

  2. 2

    Wash the boat cover with the solution. Use a soft-bristle scrub brush to remove the mildew from the area. Rinse well, not allowing the solution to dry on the cover.

  3. 3

    Create a solution of equal parts of white vinegar and water. Mix well.

  4. 4

    Apply the vinegar solution to the cover and scrub with a clean cloth or soft brush. Rinse well, not allowing the solution to dry.

Tips and warnings

  • The vinegar solution will deter growth of mildew on a boat cover.
  • Never allow any cleaning solutions to dry on the cover. This may cause cracking.

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