I feed my cherry shrimp and my crystal red bee shrimp Nutrafin Spirulina tablets -- they love them (I break them up). I also use a bit of Ocean Nutrition Food, forget what it's called, but for algae eating fish. I try to make sure that copper is not listed on the ingredients of any food I feed in any amount. ------------------ To unsubscribe from this list, please send mail to majordomo@thekrib.com with "Unsubscribe aga-member" in the body of the message. Archives of this list can be found at http://lists.thekrib.com/aga-member/