Green Pig Emergency Septic Tank & Drain Field KitTrusted since 1996! GREEN PIG manufactures products that work! Green Pig Septic Tank Treatment Emergency Formula is specifically formulated to work quickly and efficiently on a clogged or under-performing septic tank or cesspool. Backups, noxious odors, water pooling in the yard, as well as gurgling in the pipes need immediate attention. Green Pig Septic Tank Treatment Emergency Formula is a modified blend of enzymes that break down organic waste fast in your septic tank, leach lines and leach field.