Integrity of the

The resulting container is covered with a polyethylene film with a canvas that does not have seams, the edges of which are located on the shore and fixed with natural stones. Then the pool is filled with water, which tightly presses the film, pressing it into the walls of the reservoir. As a result, the bottom of the reservoir is smooth and solid. The main condition for its successful operation is the integrity of the surface of the film. For this reason, you should not throw sharp stones or stitching items into the pool.