Is the kitchen septic tank feng shui good?

It is best not to do this, because the kitchen is in charge of people's intestines and stomach, and the septic tank belongs to Huang Wu evil spirit in geomantic omen. If we have to expand the kitchen here, it will affect the health of our family. If you have to do this, there is a trick in Feng Shui called looking at the sky. After the septic tank is dismantled, dig three feet deep, set off firecrackers in the middle, then take fresh soil from the countryside to fill three feet, and then cover the middle with a piece of red paper. After three days and three nights, it will be fine.