http://en.wikipedia.org/wiki/Infusoria
Infusoria can be cultured by soaking any decomposing vegetative matter, such as papaya skin, in a jar of aged water. The culture will be grown in two to three days, depending on temperature and light received. The water will first turn cloudy, but it will clear up once the infusoria eat the bacteria which caused the cloudiness. At this point, the infusoria will be ready, and will usually be visible to the naked eye as small, white specks swimming in the container.
Infusoria can be cultured by soaking any decomposing vegetative matter, such as papaya skin, in a jar of aged water. The culture will be grown in two to three days, depending on temperature and light received. The water will first turn cloudy, but it will clear up once the infusoria eat the bacteria which caused the cloudiness. At this point, the infusoria will be ready, and will usually be visible to the naked eye as small, white specks swimming in the container.
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