I a long time lurker here, never posted before but can answer the art teacher lady's question about PC glazes since I tried them this fall. They behave different, and while testing I broke the whole set of PC glazes I have got into categories of "base coat" and "second layer". For example, the blue rutile or sea weed glazes are quite runny and not so pretty on their own, I am using them as on top of some other glaze and leave 3/4 inch of space and/or have a groove close to the foot to stop them. While red firebrick or deep olive (not sure about exact name?) stay in pretty much in place, same f