Microalgae cultivation is one technique to grow microalgae in a controlled environment. Cultivation aims to provide a single species in microalgae mass culture for harvesting. This research used AF6 media with a volume of 90 ml and 10 ml of microalgae. The purpose of this research was to cultivate microalgae using AF6 media with variations in pH 4, 6, 8 and types of microalgae namely Chlamydomo…