To correctly easy a deck, a drive washing machine with a PSI range of 2500 to 3000 is right
https://www.hometalk.com/member/177801661/margaret1855399
To safely fresh a deck, a pressure washer with a PSI number of 2500 to 3000 is ideal. This force degree correctly gets rid of filth, dust, and mold without harmful the wood. Always use a fan tip nozzle and keep a dependable distance for superior results.