It is used to lower the pH value in pools. It is compatible with automatic feeding systems. It is easy to use and economical. It is used for pH adjustment in swimming pools. It is used to keep the pH value in the desired range by giving it to the pool water with automatic feeding systems in case the pH value rises to values ​​higher than 7.2-7.4. It is easy to use because it is liquid. Thanks to its concentrated structure, it provides economical use.