| 摘要 |
PROBLEM TO BE SOLVED: To obtain a wall-hung small aquarium having all materials required for breeding aquarium fish, hardly occupying the space because of the wall-hung one, and having the same functions as a large aquarium. SOLUTION: It is most important to keep the water quality free from being fouled for the breeding of aquarium fish. In order to realize it, an deposit in the aquarium should be removed and sufficiently filtered. The wall-hung small aquarium has an outlet 8 at the bottom of the aquarium to remove the deposit and can carry out the filtration by utilizing super ultrafine fiber to keep the water in the aquarium in a clear state, to solve the problem.
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