text:  It will do it. It's not the best way because what will happen is you'll have inconsistent flow of the water over that rod. I mean, I've been doing this show 38 years. That was the original thing we used to talk about, that and copper wire. There were no products out there to eliminate it because it wasn't a problem. It was the limestone in the shingles that started being a food source for this airborne algae and fungus.