911 Emergency Septic Treatment | Hotrod Septic Treatment The septic tank holds wastewater from the home until solid debris settles at the bottom of the tank (the sludge layer) and lighter waste, such as oil, rises to the top to form the scum layer. Between the two layers, lies clarified liquid, which flows into an outlet pipe and is gradually dissipated through a drain field. Bacteria in the septic tank naturally break down organic waste matter and slow the accumulation of the sludge layer. Hotrod adds and enhances the microbiology within the septic system to rid your system of sludge and solids. For more information Visit https://hotrodseptic.com/product/911-emergency-septic-treatment/