I have a pool cleaner. The filtered water is returned via jets near the surface at the pool corners. But the system also include a spray of water onto the surface (see the picture).
If it was a sewage pond, the spray would be for aeration. If it were a diving pool, it would be so divers could spot the water surface before entry. But it is neither.
What is the purpose of the spray???
If it was a sewage pond, the spray would be for aeration. If it were a diving pool, it would be so divers could spot the water surface before entry. But it is neither.
What is the purpose of the spray???