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Reviewed in the United States on February 26, 2025
I had to reapply to get off some dirt on my siding that I could wipe off by hand. Other than that, it worked pretty well.
Customer
Reviewed in the United States on September 3, 2024
Product didn't help at all. I used it in the pressure washer soap dispenser and used a foam cannon but the siding looked the same before and after. I had to use mold armor to get the job done, which worked great
Dave M.
Reviewed in the United States on July 7, 2024
I bought this Zep siding cleaner to clean the vinyl siding on my home. The green mildew cleaned off easily with just a few strokes from my car washing brush. Pressure cleaner removed anything left on the East side of my home. The North side was next which had green mildew with a lot of black mold in places since this side of home does not get much light to counter mold growth. Zep did not phase removal of black mold. I had to go a buy another product that claimed as a 30 second cleaner. I did follow directions as to amount of Zep to water, this would not remove black mold. I did not try to add more Zep than directions suggested , but was disappointed that it would not remove black mold by itself, as directed.
Jason Woodley
Reviewed in the United States on July 7, 2024
I used this with a garden sprayer to wash down my house. We sprayed, let it sit and then rinsed it off. It was a level of clean I was honestly unprepared for. I had the scrubber ready and everything.I'd totally use this again.
Gratzman
Reviewed in the United States on May 3, 2024
I have tried other products made to wash house siding but none can compare to Zep. It cleans everything off siding and leaves it looking shiny and new again. Just follow directions and the results are amazing, even on the worst looking siding. I've used this product on different houses over many years and will not use any thing else.
James Mayo
Reviewed in the United States on December 13, 2024
Use about half to a gallon if mold is tough, spray on with hand pump wait about 10 minute and wash off with water hose even good on stain on carpet pluse safe to use
Home Project Guy
Reviewed in the United States on November 26, 2024
Did nice job especially on windows.
Bruster
Reviewed in the United States on November 11, 2024
Easy to use
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