Erik wrote: >We've also done Daphnia in wading pools. Sometimes very easy. Sometimes= >doesn't work at all. I used to have the same problem until I started using the recipe from "Delicious Daphnia Dreams" by Dan McMonigle (Apisto-Gram #53). I get population explosions like I had not seen before with other foods. I make= a 2 litter bottle at a time, which lasts for at least 2 weeks in the refrigerator. = Mosquito larvae is still the easiest though. My 2 cents. Julio