Is the fish pond in koi fish dug in front of or behind the house?

If you consider it from the perspective of feng shui, it is usually placed in front of the house. But if the local area is in the south, the temperature in front of and behind the house will be higher, which is not conducive to the growth of lithium. The optimum water temperature in koi fish is 20℃ ~ 25℃, and it also needs enough oxygen, so it is suitable for living in a slightly alkaline and low hardness water environment. So if you put it in front of the house, you must have good cooling facilities.