It works.

① Build a pool in the shape you like on the balcony. The inner wall of the pool should be waterproofed, just like the bathroom waterproofing method. Generally, waterproof membrane or waterproof coating can be used.

② Connect a pipe at the bottom of the pool to the floor drain on the balcony. Install a valve on the pipe. It doesn’t need to be too thick. A 25mm pipe is enough. The water can drain slowly. When changing the water in the pool, drain the water. Drain.

③ Make some rockery rocks to cover the buried drain pipe, and try not to affect the appearance.

④ Install your water tanker, you can also equip it with some underwater lights or atomizers, and then install a fish pond equipment with circulating oxygenation and filtration, which can circulate the water and create a waterfall waterscape.

⑤ You can raise a few goldfish, which is very suitable for Feng Shui. It is close to mountains and rivers and is full of vitality. Goldfish also have the meaning of happiness. Very good.