30 SECONDS 1-gallon Mold and Mildew Stain Remover Concentrated Outdoor Cleaner

What Customers Are Saying

Customers overwhelmingly praise this outdoor cleaner for exceptional effectiveness on mold, mildew, algae, and dirt with minimal effort. Most highlight its speed—often called a "30 second cleaner"—and note it delivers professional results without pressure washing. The application is straightforward: spray, wait minutes, then rinse with a garden hose. Many describe surfaces like vinyl siding, decks, and concrete appearing brand new. While some acknowledge it is diluted bleach, they consider it worth purchasing for convenience and performance. A few report spotty residue or that heavy buildup still required scrubbing, but these represent a small minority. Overall, reviewers strongly recommend it for transformative outdoor cleaning results.