Originally Posted by kalutika
It has little to do with anything other than ambient light and colors.
If you are talking about a gray color it's just that. The change can be as simple as the angle you are looking at the smoke from. An actual storm cloud looks gray because it's blocking out the sunlight but the truth is they are pure white. That can be seen on the tops where the sun is still hitting them.
I would agree here, I dont think its the shisha