Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers overwhelmingly praise this cleaner for its exceptional effectiveness on outdoor surfaces, particularly mold, mildew, algae, and grime on vinyl siding, decks, fences, and concrete. Most report powerful cleaning with minimal effort—often just spray and rinse—eliminating the need for pressure washing or heavy scrubbing. Many highlight fast results and express strong satisfaction, stating they will repurchase and recommend it. Some note the bleach-based formula and question the price compared to generic bleach alternatives, while a few report incomplete cleaning or needing multiple applications. Overall, reviewers find the convenience and reliability worth the investment.
Customer review summary generated by AI, including incentivized reviews.Great cleaning product
Would RecommendCleans mold off of vinyl siding quick and easy
Verified Purchaser
Mildew gone from deck now!
Would RecommendI bought the 2.5 gallon jug of 30 Sec Cleaner to try it on my weathered and badly mildewed 16x12' wood deck. The deck is about 12 years old and not stained. Several large patches of black mold were growing larger and uglier. Per the instructions, I diluted the cleaner with water and applied it with a garden sprayer. I immediately used a stiff-bristled brush to scrub, then rinsed with a hose. The darkest mildewed spots required a second application. The overall result is amazing; black milde...
Verified Purchaser
Clean house
Would RecommendWorks well. Easy to use with pressure washer.
Verified Purchaser
Gets rid of mold
I have used this product multiple times on a deck and walkway near water, it get rid of the algae and mold with a single application. Does not have an overwhelming chlorine smell.
Verified Purchaser
Does the job on mildew of my exterior.
Would RecommendI use this about 50/50 mixed with some surfactant on the hardy board exterior surface of my house. It works great. I let it sit about 5-10 minutes and then gently spray it off. I do this with a foam cannon or soft wash system.
Verified Purchaser
Quick Stain Removal
Would RecommendLove this product! Makes a dreaded chore so much easier and quicker!
Verified Purchaser
Great stuff
Would RecommendHas saved me a ton of time. Don’t have to power wash house anymore
Verified Purchaser
Good value
Would RecommendCleans very well and quickly
Verified Purchaser
Great for cleaning pavers
Would RecommendGreat price. Easily worked to remove mildew, dirt and stains off pavers around pool.
Verified Purchaser
strong
Would RecommendStrong enough for outdoor cleaning
It's ok. Buy twice what you think you need.
Would RecommendIt's okay but I had to go back to the store to buy more.
Verified Purchaser