Many kinds of media filters are used for additional pretreatment of septic tank effluent. The media can consist of sand, peat, fabric, foam and other materials. Many makers of proprietary media filters have moved to building and shipping modular units with the components pre-assembled. This obviously greatly simplifies the installer’s role.
Still, there are times and places where the installer must deal with a generic media filter that requires on-site assembly. Generic media include sand, gravel and sometimes peat. Let’s walk through the basics of media filters. As always with proprietary products, recognize that you must follow the installation instructions –
