Product Overview
Zep Drain Defense Pipe Build-Up Remover is an enzyme-based formula designed to break down drain-clogging elements and prevent future issues. It is suitable for use in various plumbing systems to maintain clear and free-flowing drains.
- Enzyme-Based Formula: Effectively breaks down drain-clogging elements.
- Versatile Use: Safe for sinks, garbage disposals, tub/shower drains, RVs, and grease traps.
- Pipe Compatibility: Safe for PVC and most other septic systems.
- Long-Lasting Protection: Provides up to 21 months of drain protection with regular use.
- Eco-Friendly Breakdown: Breaks down into CO2, minerals, and water.

Safety Information
Always read and follow all instructions and warnings on the product label before use.
- Keep out of reach of children and pets.
- Avoid contact with skin and eyes. If contact occurs, flush eyes with plenty of water for at least 15 minutes. Flush skin with plenty of water. Seek medical attention if irritation develops or persists.
- Avoid breathing vapors or spray mists. Use only with adequate ventilation. Get to fresh air if irritation persists.
- Do not induce vomiting if ingested. If person is conscious, give plenty of water to drink. Get medical attention immediately.
- Handling & Storage: Keep container closed when not in use. Store in a cool, dry, well-ventilated place. Protect from freezing.
- No Phosphates.
For emergency medical assistance, call your local poison control center or 1-877-541-2016.
Setup: Initial Drain Treatment
For initial treatment of a slow-draining pipe, follow these steps:
- Pour 1 ounce of Zep Drain Defense directly into the drain.
- Run warm water into the drain to help distribute the product.

Operating: Monthly Maintenance
To prevent clogs and maintain clear pipes, use Zep Drain Defense monthly:
- Pour 16 ounces of Zep Drain Defense into the drain.
- Allow the product to sit in the drain for 30 minutes.
- Flush the drain with hot water.

Maintenance Tips
Consistent monthly application is key to preventing pipe buildup and ensuring optimal drain performance. Mark your calendar or set reminders to ensure regular treatment.

Troubleshooting
Zep Drain Defense is primarily designed for preventative maintenance and addressing slow drains caused by buildup. For tougher, more severe clogs, a stronger solution may be required.
- If a drain remains slow after initial treatment, repeat the monthly maintenance steps.
- For very stubborn clogs, consider using a specialized clog remover like Zep Liquid Heat Clog Dissolver, as recommended by Zep.
- If issues persist, consult a professional plumber.
Specifications
| Brand | Zep |
| Model Number | ZLDC648 |
| Item Weight | 1.9 Kilograms |
| Liquid Volume | 64 Fluid Ounces (2 Quarts) |
| Scent | Unscented |
| State of Matter | Liquid |
| Product Benefits | Eliminates clogs, restores flow, and provides 21 months of drain protection |
| Manufacturer | ZEP COMMERCIAL PRODUCTS |
Warranty & Support
This product comes with a standard manufacturer's warranty. For specific details regarding the warranty, please refer to the product packaging or contact Zep customer service.
For questions or further assistance, please call 1-888-805-HELP.