Know When and How To Employ a Recirculating Media Filter

We have had a couple of questions recently asking why recirculating media filters are used and where they are an appropriate choice for additional pretreatment of septic tank effluent. These questions have come from environmentally sensitive areas where additional treatment is being required for onsite systems. We thought it would be a good time to discuss recirculating filters, where they are most useful, and some considerations for installation. As the name suggests, the system component recirculates septic tank effluent through a media filter several times before discharging to a final soil treatment and dispersal area. In the past, media in the