To competently easy a deck, a tension washer with a PSI latitude of 2500 to 3000 is good
https://sticky-wiki.win/index.php/Understanding_Pressure_Washer_Efficiency:_How_Many_Gallons_Per_Minute_Do_You_Really_Need%3F
To efficaciously blank a deck, a tension washing machine with a PSI selection of 2500 to 3000 is right. This rigidity point efficaciously gets rid of grime, dirt, and mildew with out detrimental the timber