Well water and groundwater usually contain more silt, rust and organic matter, and the hardness is also high. In this case, it is recommended to install a mechanical filter or activated carbon filter first, and then install a water softener to ensure a comprehensive improvement in water quality.

Grades of stainless steel are usually classified based on their composition and properties, with the most common classification standards including American Society for Testing and Materials (ASTM) standards and International Organization for Standardization (ISO) standards.

Commercial water treatment systems refer to equipment and processes used to treat water quality in commercial and industrial locations. Commercial water treatment systems typically consist of a variety of components, including filters, softeners, reverse osmosis systems.