Fish tank modeling Feng Shui Daquan, what shape fish tank is most suitable for home use?

Rectangular fish tank, seemingly mediocre, however, rectangle represents stability without acute angle, which is not easy to hurt people and is the first choice for fish tank modeling. In geomantic omen, the five elements of a rectangular fish tank belong to wood, which is aquatic wood. That is to say, to some extent, wood will leak water and steam, but they are incompatible with each other, which is an auspicious sign.