This study aims to determine the frequency of adding the best probiotics to increase the growth rate and survival rate of vaname shrimp (Litopenaeus vannamei). This research was conducted from April - May 2020 at the Laboratory of Aquaculture Technology, Faculty of Fisheries and Marine, University of Riau. The container used was an aquarium measuring 40 cm x 30 cm x 30 cm as many as 12 uni…