How about raising fish in the yard?

Of course, the key depends on the location where you want to build a swimming pool, and you don't know the direction of your door.

Fish farming in the house is suitable for rectangular fish tanks, with 9 large numbers, southeast and no access.

It is best to build a circulating pool and design a drainage system and oxygen-increasing equipment.

Not suitable for direct drying pool, suitable for breeding goldfish and koi fish.