Drano Advanced Septic Tank Treatment helps you take proper care of your septic tank. Don't wait until you have a problem that will cause you a lot of worries: Drano septic system treatment is an easy and convenient solution for treating septic backup. The concentrated formula works with septic enzymes, and breaks down solid waste, paper, oil, grease and protein to help prevent septic backups*. The no-mess dissolvable septic care pouches mean that you only need to drop them in your toilet and flush. It's as easy as that, and it works safely in all septic tanks and pipes. Each package contains three pouches, for three months of treatment (use one pouch every 30 days for best results). That's a lot of peace of mind from septic tank worry! Use Drano Advanced Septic Treatment to keep your septic system enzymes at a healthy level and leave your septic tank worries behind. *along with regular pumping