We put down some red lava rocks 2 nights ago (landscaping stones under some bushes), and out of the bags they looked great - nice dark, rich, red color.
Just one day later - after sitting in the sun, I guess - they dramatically changed color. The rocks are noticably different now - clearly more pink than red. Getting them wet restores the color, but that doesn't do us much good.
I never would've bought pink rocks - they look horrible with our brown house. I realize rocks look differently when dry, but this is just too extreme.
Any idea what can be done? Is there any way to restore the red color permanently?