3. Use a chlorine dioxide mold-odor preventer like Star brite NosGuard SG Mold/Mildew Odor Control Slow Release System ($11, defender.com) or leave a 110-volt light burning in the cabin to maintain air quality.
4. To prevent mold from returning, apply a mold blocker, such as 3M Marine Mildew Block ($12, jamestowndistributors.com). Mold can't form where it can't sink its roots.