I took a class from Dawn Candy. She uses Amaco velvet underglaze & plainsmen underglaze. She said it was a runny clear glaze that gives the bleeding effect when that clear glaze is over underglaze with blue in it. ( If I’m remembering correctly) She mixes blue in with the black underglaze. So far, it hasn’t worked for me. I think she said to add water to the underglaze which is trailed onto her green ware. I didn’t do that part. Maybe that’s why my hasn’t bled at all. She fires to cone 6, electric kiln. I have a runny clear recipe from her that she shared with us. I’m sure she wouldn’t mi