Propolis is one of the natural ingredients that have anti-microbial substances such as flavonoids, phenolic acids, esters and alkaloids. Motile Aeromonas Septicaemia is caused by Aeromonas hydrophila bacteria which can cause 80% death in goldfish within seven days. The objective of the study was to determine the best dose of propolis solution to against Motile Aeromonas Septicaemia (MAS) diseas…