I sprayed a mixture of black copper oxide and distilled water on a clear piece of glass. I waited for it to dry and capped it. Fired it to a full fuse and it came out the same color it went in. Black. Any ideas on how to create the tourquoise blue with the bubbles?
I sprayed a mixture of black copper oxide and distilled water on a clear piece of glass. I waited for it to dry and capped it. Fired it to a full fuse and it came out the same color it went in. Black. Any ideas on how to create the tourquoise blue with the bubbles?