I lurked on Craigslist for a while and found a 20# aluminum CO2 tank with a two gauge regulator for less than $65. The tank needed hydrostatic testing which cost $22 but it was still a great deal. Roy _______________________________________________ GSAS-Member mailing list GSAS-Member@thekrib.com http://lists.thekrib.com/mailman/listinfo/gsas-member