I have a beautiful art glass reed diffuser and have it currently filled with lilac scented oil. Now that fall is here I would like to change the scent to a pumpkin spice. How do I clean the diffuser to get rid of the lilac scent before I pour the new oil in? Thank you

I saw this tool quite a while back on tv but at the time I was living in an apartment and didn't want one.Now I'm in a house and it sure would come in handy.Thank you

i ordered some items, never got the items,

Step by step. What's the best way to start beads then pendants, then sculptures, vases? What's your opinion?

When painting a picture you use the glass to push the picture back rather than standing up and moving back. I bought one in Germany but don't remember what it's called or where to buy one.

When fusing art glass inside a kiln, what does the coefficient of expansion represent, and why is it important?