So You've Bought Electric Pressure Washers ... Now What?
https://golf-wiki.win/index.php/When_Professionals_Run_Into_Problems_With_Gas_Pressure_Washers,_This_Is_What_They_Do
Should you be asking yourself how much time immediately after strain washing the concrete do you must stain it, this may vary. It will depend upon several variables. The initial is what kind of stain to work with.