it looks like mine jackie, i cleaned mine 2weeks ago, treated it with decking seal yesterday, looks great..

Still got to treat it again it goes so hot up their I'm waiting till it cools down so I can finish it Lol.

I used a sweeping brush ! seen sven doing it on the telly hehe, works a treat, and done in half the time..Dee..

My try a sweeping brush i was going to buy a sprayer but i don't like it spraying everywhere LOL

My decking needs cleaning! i cant wait if it looks anything like yours i'll be very pleased! :-)