Gentong kong was a gift from Putri Campa, the mother of Sultan Fatah as the first sultan in the XIV century. Gentong kong in the form of ceramic jars relics of the Ming Dynasty, of which there are 3 pieces. The height of the jar is 90 cm and the center line is 100 cm. Jars belonging to the Sultanate of Demak used to be used as a reservoir for cooking water. Gentong Kong is now placed on the east side of the Tomb Complex Of The Great Mosque as a place of water. After praying, many pilgrims lined up to drink water from the barrel of Kong. Most pilgrims believe that the water from the barrel Kong efficacious. Not just drinking enough water from the barrel of Kong, not a few pilgrims who bring water from the barrel of Kong to take home.
