On 7 Oct 2009, at 17:57, robertwerra@pacific.net wrote: > Where can [granite] be easily obtained? Locally, we buy it at farm supply places, where it's sold as grit for birds & poultry in a variety of grades ranging from "turkey grit" (about 1/4") through chicken nos. I-III, budgie grit, and canary grit. -- Rodger Whitlock Victoria, British Columbia, Canada Maritime Zone 8, a cool Mediterranean climate on beautiful Vancouver Island http://maps.google.ca/maps/…