Too late on dividing into more than one culture, I just made Dan's potion with peas, carrots, beans, cucs, and a couple vitamins and fed it. The 35 gallon Rubbermaid idea sounds good, I'm going to pick one up tomorrow. I'm lucky I guess, my lfs has fresh live daphnia a couple times a week, so I can get another culture if one goes sour on me. Thanks Matt