Dave, I believe my reference was that I had never observed tilapia eating aquatic vegetation of any sort and Rainman challened.
My resopose was that GC will eat anything when hungry and perhaps tilapia will do the same.
I have never a had a chara problem but my GC LOVE water primrose..



N.E. Texas 2 acre and 1/4 acre ponds
Original george #173 (22 June 2002)