If you are looking for a good way to feed your marine aquarium fish but don’t want to order expensive bottles of food, you might want to look into purchasing a Rotifer Culture kit. This is a great way for you to experiment and also supply healthy food for your fish. It’s so much easier than people make it out to be and I was able to grow my own food within days of receiving my kit. All the ingredients were included and a very detailed instruction sheet was easy to follow. It was fun learning how to do this and it kept me busy and saved me money in the longrun.