Pro-Kleen Patio Cleaner Simply Spray and Walk Away Green Mould and Algae Killer for Patios, Fencing and Decking 2 x 5 Litre Concentrate (Makes 50 Litres)

This stuff is amazing. Removes all evidence of green moss on flags, fencing and side of house. Results last a very long time. Very easy to use and brought my flags up like new.

Results aren’t instant but produces good results in time and continues to work and maintain a descent finish.

I've been paying twice the price of this product for 'Wet n Forget' which i thought was the bees knees and the best product on the market. It was only when my local Costco didn't have it in stock that I came across this product online and after reading excellent reviews decided to give it a go. It does exactly the same job, if not more, than 'Wet n Forget'. So in future I'll be saving money and using Pro-Clean. I have approximately 100 square meters of INDIAN stone around my bungalow and the surrounding trees and vegetation quickly turns it green in large areas. In the winter it goes slimy and slippery but Pro-clean brings it all up like new with no effort. Just mix it 5 parts water 1 part Pro-clean and spray onto the flags and walk away. In just a few hours the algae has gone. I use it also on my fencing, shed, conservatory roof and pvc furniture. In fact anything outside that gets affected by algae. It keeps working in the elements for months. I use it in the Autumn and Spring for great results. Try it and you won't be disappointed.

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Second time i have bought this product and it is amazing. Spray and leave, so easy to use. I would definately recommend

Ok, so it does get rid of green mould, however the black mould seems to be more of an issue and can still be seen. We normally pressure wash the flags every year and although this is time consuming, it does get rid of almost everything and does leave the flags shinny and like new. Having seen other users photographs (of Pro Kleen) which did suggest that this cleaning can all be closely achieved with spraying Pro-Clean Patio Cleaner and just leaving it for a few days, we were all excited to use this product. The end result for us was a mixed bag, nearly all the green mould has disappeared but the black mould can still be seen everywhere and thus we may end up pressure washing certain areas to clean it fully.

Just what I needed to clean old fence panels before painting

Great product, we had heavy algae on our patio, it dissolved it really well. The whole patio looks so much better. No damage to grass, plants etc. Also used on pots and have come up like new. Took an hour to spray a very large patio and pots, make sure its going to be warm and dry for the whole day...