GreenPig Live Septic Tank Treatment, 12 Month Supply, 113-g

GreenPiG septic tank treatment provides billions of natural micro-organisms in just one packet that lasts an entire year. Simply drop the packet into your septic system and let the microbes go to work cleaning, reopening and maintaining your septic for months to come. The micro-organisms break down organic waste buildup that can cause backups and odours, keeping your system flowing freely and efficiently with minimal effort from you beyond the initial dosing.