If you need salt,this weekend is the time to get it:
http://www.petsmart.com/psm_offers/saveship/
Two 200 gal buckets of I.O. for around 70.00 bucks delivered right to your door.
Clic options when you get to the salt page for the 200 gal buckets.
200 gal buckets for 34.99,type Free...