I have a engineering pink brick patio that has been down for 25 years. Over the years the bricks have become badly discoloured and with lots of black marks. We have tried scrubbing the patio on various occasions, using bleach etc; however nothing seemed to work. I was very sceptical when I ordered this product and when I started to use it but it does work. I used the product as per the instructions and left it over night. The next day I was surprised at how much better the patio looked. There were still a few stains but a second treatment got rid of them. There are still some very small black spots but I think that they are actually in the bricks. They are not at all unsightly and I couldn't be more pleased with the look of my patio. So, thank you Pro-Kleen, you done a great job.
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OK on a light covering of algae but no good on our tarmac drive that has a light carpet of moss even after scraping the moss off with a dutch hoe it didn't kill the remnants, I even gave it two applications and the drive is still green
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I know opinions vary on the effectivemness of this treatment but all I can say is that this year I applied it on a dry, warm day, sprayed the paths (stone), patio (stone), driveway (tarmac covered in moss) and it was Ok after a day but 4 dry days later the stone slabs were clear of slimy moss, the green was gone from the patio and on the driveway the thick moss has gone brown as it dies. There has been some rain after about 6 days and this might have helped to get cleaner paths. The treatment killed the moss and weeds between the stone slabs but some the grass is a bit more resilient. I have bought some more for a retreatment but none necessary so far. This is not a cleaner so I did not expect the paving to come up like new. However it is better than I expected.
Verified purchase: Yes | Condition: New
I bought this product to help with cleaning flag stones that had not been cleaned for several years. Even a powerful jet wash was struggling. So the answer is really that it does work, but very much depends on what you are trying to achieve, and on what surface. For me it acted as a "catalyst" to make the jet washing result better and easier to achieve. I probably needed to re-apply a second dose which might have helped. Used it on the recommended 4:1 mixture but a stronger mix might have been better. On a less soiled surface just a hose down might have sufficed but it did work well when used with the jet wash. At least I have plenty left for next year or other jobs. It is important to leave it for 2-3 days to work on the surface, maybe a bit less if it is obvious that it has worked its' magic. Overall a good product and I am glad I bought and would recommend, BUT it does not always replace a bit of elbow grease.Read full review
Verified purchase: Yes | Condition: New
Did notice slight improvement(I could have made a stronger mix)but I used 4/1 ratio in a sprayer and did it a week later over the same areas(slight improvement)perhaps if stronger mix I may notice a drastic improvement?the cost was around £20 for two 5ltr containers(not cheap)but it says it should keep working after you've applied?so keeping my eye on it as weeks go by,I would buy this product again and maybe use it again next year(so as to keep on top of it).
Verified purchase: Yes | Condition: New
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