I didn't have much luck ordering thru TSC, but a small local feed store that is a Purina dealer was more than happy to order some for me. Now they are selling about 20 bags a week to different pond owners. They order on a weekly basis.

www.hoosierpondpros.com

[Linked Image from lh6.ggpht.com]
http://www.pondboss.com/subscribe.asp?c=4
3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).