Rice Hull Ash

Bob Gonzales has informed me that he gets his rice hull ash for glazes from :

http://www.greasweep.com/

You can get various sizes on this site from Oregon but Amazon also sells it:

http://www.amazon.com/Greasweep-Multi-purpose-Premium-Oil-Absorbent/dp/B00MT3W29S/ref=sr_1_2?ie=UTF8&qid=1430660734&sr=8-2&keywords=Greasweep

I have never used it as I still have a bunch left from McKenzie Smith but it is the black stuff.