In a message dated 1/21/03 10:22:59 AM Eastern Standard Time,
shinds@seidata.com writes:
> If I may butt in here, I have an additional question. Has anyone mixed
> dried (used) coffee grounds in with the vermiculite and plaster? How much
> do you add to the mix ?
For me it wasn't an exact science. I added about 1/2 cup to approx. 1 quart
of plaster. It colors the plaster to a tan color and the grounds can be
occasionally seen. I suppose that the more plaster you add, the darker the
color.