cleaning wet pour in play area,s

[hedgesparrow]

i am getting asked to clean more play area,s which have wetpour. now they have moss growing on it or algae in the little cracks. now pressure washer if get to near it starts to mark. any brill ideas to get the moss and algae to come off so i can you pressure washer to wash off. tried a stiff brush not a lot of good.

i know someone will know the way to do it.

[Lyncombe-climber]

Sugar soap and stiff brush.

[miker]

patio magic, scats do it,apply with sprayer,and leave it to do its stuff,done a swimming pool surround with it and was really pleased, also it inhibits new growth

[hedgesparrow]

well i cleaned the wetpour what a job 6 hours later soaked and with start of trench foot. now gone thank goodness. but saw a chap from sherriff and they have a product will find out spray on leave for a few days and it kills the moss algae and spores and just rinses off. will try patio magic see if that works got loads to do. pity it was not private work be a nice earner on a hourly rate.

but its contract

[Dorset Hedgelayer]

Hi ya Chris what about the Karcher (or any other make )patio or floor polisher type thing no good ??