Hey, I feed my daphnia with a mix of brewer's yeast and spirulina, and I was wondering if anyone new how long the daphnia take to take this up and them how long does the nutritional value last? Doug Doug Karpa-Wilson Department of Biology Indiana University Jordan Hall 1001 E. 3rd St. Bloomington, IN 47405 --------------- See http://www.aka.org/AKA/subkillietalk.html to unsubscribe