Fairy Shrimp 50.000eggs - Alive Food for Betta Killifish Guppy Temperature : 15-32 Degree C (suggest use 15 degree c fresh water for first hatch) pH: 7.0-8.3 Conductivity : 113-212 ms/cm DO : 3.5-4.9 mmgram/liter Adult size : 1.3-3.0 cms