COLLIER 64SAWA 64 oz Spray & Walk Away Surface Cleaner

Bought to remove lichen from our siding. It worked, but took a long time.

Sprayed them first on 3 family stones from the mid 1800s in the cemetery that you could not read at all. With a spray bottle of water I wet them down and then sprayed on the solution. Just in a few minutes I could read my Great Grandfather's name. I was so excited and have already worked on other family stones. I have not used it on other suggested things to clean but I am confident it would work.

I have pavers for a back yard patio. With all of the rain we have had moss was a problem between the pavers. I have tried 4 other products with no meaningful luck - but lots of back breaking work. This product is amazing and does the job. I am a believer and used it 2x - once to treat the issue and the second just to maintain. Great product - easy to use - gets the job done.

Product worked well on vinyl siding and roof. Did not clean the moss off of skylights. I had e-mailed the company and asked about the skylights and was told that it would work, but alas it did not.

We used this on our brick patio. After about 8 weeks we saw it had etched and bleached the bricks while at the same time removing some of the surface grime and mold. No amount of scrubbing could reverse this. We also had to follow up and scrub the moss in between the bricks as the product didn’t really remove it either. We are not at all happy with the product.

I used this product to remove mold stains on outside deck, siding, and everything that had mold on it. I spend summers around water and everything gets mold and mildew stains from moisture on them. This works great on the stains. I recommend this product highly, it is easy to use.

I used this twice, following the instructions exactly and drenching my roof in the product. I don't even have moss, just lichen - so I'm not dealing with that much thick organic matter here. Never got brown, never came off - as though I'd never used it.Roof is just as green as it was. I just have about $30 less.

Reviews said it had a reach of 24 feet. I could only reach the lower 1/3 of my first floor roof. With this Spray & Forget SFDHEQ06 House & Deck Outdoor Cleaner I could reach the top of the roof. The container has two nozzles and a cap that produces a wide spray. None of the nozzle options helped.