Philomath
Member
Found this in a school gym supply catalog:
http://www.quest-nutrition.com/store/scripts/prodList.asp?idCategory=41
It's gym chalk, pure calcium carbonate by the bucket or ball - and it's cheap!
http://www.quest-nutrition.com/store/scripts/prodList.asp?idCategory=41
It's gym chalk, pure calcium carbonate by the bucket or ball - and it's cheap!