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William P
I used this to clean my rough cast on my house as it was covered in a red mould. Although it may be a bit early to comment in full it looks as if it had been at least partially successful. At first it changed to a green colour but is now a fading grey. As this has only been applied for 4 weeks it must still be working and would ask you to come back to me in another month when I will be able to say more on the product. Very satisfactory so far. Regards William Provan
5 years ago
WCF Ltd T/A Progreen has a 4.8 average rating from 3,471 reviews