Brushing and vacuuming of the pool’s walls and floor should be considered at least once a week to remove visible debris and algae from the pool. To prevent cloudy water, metal corrosion, staining, scale formation and keep swimmers comfortable. The Hidrotermal Crayfish ® automated cleaner robot is a new type of highly efficient and energy-saving swimming pool cleaning system. Through its advanced computer-controlled program, it can clean the pool walls and bottom automatically. At the same time, it filters the pool water and gets rid of suspended particles without replacing the water. It’s totally environmentally friendly!