Bioda Drain Cleaner & Odor Eliminator, Professional Strength, 1-Gallon

This is not a caustic drain opener but rather a drain maintainer. Keep drains flowing and manage bad odors with Biota drain cleaner & odor eliminator. Shake before use. Use 1/4 to 1/2 cup weekly to keep clean drains and manage odors. For problematic drains add up to 1/2 cup daily for a week or until problem resolved. Manufactured in the United States of America.