1, don't polyculture. Betta itself is very aggressive. At that time, either mixing fish to death or fighting fish to death.
2. Don't over-breed. Too much breeding will lead to crowded conditions and the destruction of feng shui at home.
3. The fish tank can't be placed under the idol.
4. It is very helpful for people who lack water in the five elements to raise Feng Shui fish at home, but people who are afraid of water in the five elements should not raise them.
5, the fish tank also has the function of resolving evil spirits, so it is generally placed in a declining position and cannot be placed in the financial position or the god of wealth to visit.
6. The fish tank should be round or oval. It is generally forbidden to choose irregular clothes or new clothes with tips, which will bring suffocation.