Feng shui taboo of putting fish next to the elevator

Hehe, there is a saying in Feng Shui that goldfish can block evil spirits, and dead fish is actually a problem of tap water. In addition, goldfish is not easy to raise, so you must buy an oxygenated fish tank or something. How do you use the washbasin? If you believe in Feng Shui, your fish is really misplaced. It should be facing the hall door or kept in the hall.