2. If it is placed in the living room, it should be placed in a conspicuous position.
3. The fish tank can't face the kitchen. On the five elements, fire and water collide, the fish tank is water, and the kitchen stove is fire. The two are in conflict and should not be in opposition, let alone at the same level.
The fish tank placed at the door means to save money, but it can't be placed in the aisle and corridor. You can't put the fish tank too high. In feng shui, it means "drenching water", which has a bad meaning.
Don't put the fish tank behind the sofa. Traditionally, it is unlucky to take water as the backing, because it is impermanent and difficult to stabilize. In fact, the modern health concept holds that the sofa is a place to rest and talk, and there is a fish tank behind it, which will make it difficult to concentrate, and there are also unsafe visual psychological hints.