Roebic K-77 Root Killer for Sewer Lines, 32 oz

Kills existing roots and prevents new growth in sewer and septic pipes with Roebic K-77 Root Killer. Its copper formula stops roots at the entry point, improving flow and drainage. Safe for all plumbing, including septic tanks, it won't harm surrounding plants. Use every 6-12 months to maintain your system and avoid costly clogs, backups, and rooter services. Note: Not for sale in Connecticut, Massachusetts, or Bay counties of California; banned for use in septic systems in Florida.