Spray bleach first, you may see result in 15 minutes. Soak paper towels with bleach and tape them to the tough to clean areas for few hours.
Or power wash
https://www.homedepot.com/p/Mold-Armor-32-oz-Mold-and-Mildew-Killer-with-Quick-Stain-Remover-FG502/100628954
HD还有其他类似产品,不过没试过
他们用像 power wash 一样的工具, 虽然不能完美清洗, 比自己做效果好很多。
https://home.dealsaving.com/view/63657
我没用过
Spray bleach first, you may see result in 15 minutes. Soak paper towels with bleach and tape them to the tough to clean areas for few hours.
Or power wash
https://www.homedepot.com/p/Mold-Armor-32-oz-Mold-and-Mildew-Killer-with-Quick-Stain-Remover-FG502/100628954
HD还有其他类似产品,不过没试过
他们用像 power wash 一样的工具, 虽然不能完美清洗, 比自己做效果好很多。
https://home.dealsaving.com/view/63657
我没用过