There are a lot of choices that you would need to make before you can confidently assume that you have what it takes to pressure wash in the best possible manner. A big part of the reason why that is the case has to do with the fact that power cleaning tends to be a more technical endeavor than we give it credit for at any given point in time, and that means that you need to figure out what each component is for so that you can use the ones that will be most effective for you in some way, shape or form.
Perhaps the most confusing decision that you might need to make here has to do with choosing the right pressure washing tips. Suffice it to say that your choice in tips can impact how effective your concrete cleaning might be, with some tips offering an excellent end result whereas others might fall well short of the mark and that is if we are putting it mildly. These tips are sorted out based on color, and you should know that these colors have not been arbitrarily designed.
Each color represents a different degree, with the red one offering a zero degree spray whereas the yellow one might give you a forty degree spray. This means that when the water comes out, it might arc into the degree pattern that corresponds to your tip. You should always keep this in mind while choosing your tips for pressure cleaning, with harder surfaces requiring the red tip and softer ones requiring the yellow one because direct pressure would be akin slicing the surface up with some kind of knife.