2. The fish tank should not be "without roof water" or "shower water", that is, the water level of the fish tank is higher than the normal height (190cm or more), which will make the family fortune turn away and be suppressed. The fish tank can't commit the crime of "breaking water", that is, put the fish tank directly on the ground without padding; This pendulum will prevent the noble people from coming to the door, but it will cause bad luck.
3. Try not to have sharp corners in the shape of the fish tank. Avoid some fish tanks in the shape of triangle fire, which are prone to nonverbal bloody disasters. Can be round, oval, quadrilateral, are lucky columns. Fish tank culture is learned, goldfish can make money, and snakehead can only be raised by people with special occupations (such as soldiers and scholars). Generally speaking, snakehead is easy to attract villains, and right and wrong are clear, but it is not easy to make money. The number of fish farming varies according to personal life.
4. For domestic fish tanks, the size should be determined according to the space situation and placement position. While considering the appropriate size, we should also consider the safety. If a friend wants to grow grass and raise shrimp, he can choose a small fish tank; if a friend wants to raise some cichlids in Sanhu, he can choose a medium-sized fish tank; if a friend wants to raise big fish, he can choose a big fish tank.