so i have put my kilis in my 6 gallon, moved the female betta to the 30 gallon, the neon tetras to the 20 gallon baby tank, but they are doing well, i got them 1/2 oz of tubafix worms because they wont eat flakes, what is a better food and where can i get them, i want to be able to culture them, and i got tubeaifx because that's what my lfs had, i also got a cartridge for my 6 gallon to lower hardness.