For especially tough clogs, use ZEP 2 lb. Crystal Heat Drain Opener. Its special formula generates heat to melt clog-causing grease, soap scum and hair on contact.
- Dissolves clog-causing grease, hair and soap scum in pipes and septic systems
- Powerful granular formula generates heat to dissolve clog-causing agents on contact
- About 10 min set time
- Satisfaction guaranteed