Aids in the breakdown of septic waste to help avoid back up problems * GreenPig septic tank bacteria keeps sewage flowing without restriction * Treatment is populated with one billion septic tank bacteria that quickly multiply to absorb and digest sludge grease paper and solid waste * Treats 500 1000 and 1500-Gallon tanks by simply flushing one solupak down the toilet once every three months * Package contains 20 solupak"s for 5 years of treatments