pete use a pressure high powered ind and a normal lance not a turbo head the type that fanns out, and keep it going with the groves of the deck in long ways moition dont cross the groves our you will rip the wood big mistake sticks out like a sore thumb so do it lenth ways and a board at a time , charge how long it will take at say #20 per hour average deck 50 quid for about 2 hrs
remember to wear wellies not sandals lol
