In my infinite quest to replace expensive grog in my wadding, this firing I am following the suggestion of a fellow blogger and potter going by the name Newfoundout Potter. I am using coffee grounds. This suggestion appeals to both the frugalista and the tree-hugger in me: reuse! recycle! Coffee grounds are essentially garbage. We were using them in the compost pile but believe me there are plenty from this house to go around. Our compost is more acid than ideal, due to the preponderance of coffee grounds. Ooo, bad thought: our compost also sometimes smells like vomit, due to its great acidity. Let's hope my wadding does not also come to smell like vomit! That might be a deal breaker. For now, though, the wadding smells nice.
I did find that I had to use more grounds than grog to get the consistency that I want; whereas the original wadding recipe called for 2:2:1 Kaolin:Alumina:Grog, the coffee grounds version is closer to 1:1:1.
It's a weirdly warm day in Central Maine; the thermometer hanging on the deck says it's 50 F. A nice kiln-loading day.
OT: Check out my new profile photo! Turns out the same lighting set up to avoid shadows while photographing pots does a good jobs of filling in crow's-feet.