Chlorella sp is a single-celled plants that have a true nucleus, and relatively low-level plants. Chlorella sp also called the green algae and can live in freshwater and sea water. This research was conducted in January-February 2019, which is housed at the Institute of Aquaculture Seawater and Brackish Bungus Buo bay, Padang, West Sumatra. The purpose of this study to determine the effect of t…