what would cause the metallic products in our home decor shop to develop a blue inky substance on them?
dyxierose questioned: In january we went into a new ( remodeled) building. this summer we started noticing that all of our metallic/brass products were developing a blue substance on them that comes off on your hands when you touch it. It is water soluable, it washes right off you hands or out of fabrics. It [...]









































