This cleans all dirt and algae off the walls.
Are you putting in chemicals and finding there is no change in the water colour? Most of the time there is dead leave and branches at the bottom of the pool that has turned to ‘mud’ we call this compost. The only option is to drain and acid wash the shell of the pool.
We then fill up the pool and chemically balance it at an additional charge.
The next day your pool is Crystal Clear.