Brick has been a popular construction material for centuries now, and a big part of the reason why that is the case has to do with the fact that it was one of the first construction elements that could be produced in some kind of a kiln. Kiln based brick production continues to this very day in some without a shadow of a doubt, but the basic structure of bricks have remained more or less the same at any given point in time. However, one thing that has definitely changed is the manner in which these bricks can be cleaned.
In the olden days, suffice it to say that you needed to scrub bricks for hours on end in order to get them looking as clean as your heart desires. That’s why living in the modern world is so great, since you can just use webster pressure washing to clean your bricks in ten percent of the time! The thing is, pressure cleaning your bricks with just water might not get them as clean as you would prefer, so you might want to try spraying something on bricks before pressure washing them.
The best thing to spray on your bricks is a sodium hydrazine solution. This chemical is not diluted in water because you really need it to be concentrated if you want it to give you the optimal potential effects. The way that sodium hydrazine works is that it has a dissolving effect on fat particles, more specifically it dissolves the outer walls that make lipids so resistant to water. Bricks can often have a lot of grease on them, so using this chemical is a good idea.