| 摘要 |
PURPOSE: An aquarium including a multi-phase filter is provided to enable a user to maintain the water of a clear state at the inside of the aquarium by enabling a user to easily change the water of the aquarium. CONSTITUTION: A bubble generator(160) generates bubbles in the water. A first filter(130) filters pollutant which is inserted by the bubble generator. A fourth filter(190) filters the water which is flowed from the underwater filter(140) at the upper side of an aquarium(120). A vertical connection pipe(182) connects the underwater filter and the fourth filter. A circulation pump(180) successively circulates the underwater filter and the fourth filter. |
