u/DrBassMaster

We had our house built a little over two years ago. The concrete used for our front walk and front porch looks weird. It’s all kind of different colors with some leopard spots mixed in for extra fun. I’m pretty sure concrete shouldn’t look like this. I could be wrong. Anyway, it bugs me because it never looks clean. Today I was pressure washing it and it just looks gross, even after cleaning it. I’ve never used chemicals on it, just plain water. And I use a 40 degree nozzle so it’s not like I’m blasting the heck out of it. So my question is, is this normal and if not, what did the contractors do or didn’t do to cause this? I’m trying to figure out how to add photos but for now, imagine concrete with orange spots, black and grey streaks and a few different shades of normal concrete color. Please go easy on me, I know nothing about concrete.