My magnetic clay came yesterday and I am going to use it tomorrow. Before I do, I am going to conduct a little test with it. I am going to put some clay w/out the added spices into a glass of water and some w/the added spices in another glass. Then I will follow the instructions for the bath and see what colors the different solutions turn. I know that there are likely some metals in my water and wonder if the clay will absorb them. Will let you all know what the results were and might even photograph the different solutions if anyone is interested.