To conveniently blank a deck, a rigidity washer with a PSI diversity of 2500 to 3000 is right
https://tiny-wiki.win/index.php/Understanding_Pressure_Washer_Efficiency:_How_Many_Gallons_Per_Minute_Do_You_Really_Need%3F
To well clean a deck, a pressure washer with a PSI latitude of 2500 to 3000 is good. This tension level effectively removes dirt, grime, and mould with no harmful the picket