If you are in an area where CNBG won't survive the winter, then I wouldn't worry about what you got from them at all.

There's a fish truck that comes up here and also sells CNBG. I'm going to get some, put them in a cage and see if they make it thru the winter.

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).