SBB wrote:Cuz small pieces of copper pipe such as very small off cuts of 1/2 inch in the boiler will do the same job and may even help with sulphide removal.
Yep, I did the same thing. Hammered cuts of pipe flat, then put random cuts in that and bent them in all different directions, so there's always pointy sharp edges sticking out. Kinda like a little ninja star thing.