Bio Enzyme Septic System Maintenance Packs Septic Tank Treatment packets contain a multi strain formula that rapidly breaks down and digests fats oil grease starches organic solids paper soap scum and more Septic Packs works in harmony with the tank s natural bacterial to restore and maintain your septic system s balance When used as part of a regular maintenance program Septic Tank Treatment will help prevent foul odors clogged pipes and ponding drain fields Months of Supply is based on average Septic tank size see label for more detail