To give a balanced view, here are common complaints found in 1-star and 2-star reviews:
Many negative reviews are not about efficacy but about or misapplication (e.g., using in toilets with wax rings, or in aluminum strainers). zep drain unblocker reviews
| Product | Zep Liquid Heat | Drano Max Gel | Green Gobbler | | :--- | :--- | :--- | :--- | | | General clogs & Grease | Hair clogs | Septic systems & Eco-friendly | | Strength | Industrial/Commercial | Heavy Duty | Medium (Biological) | | Reaction | Heating | Gel coating | Biological digestion | | Price | Low/Moderate | Moderate | High | To give a balanced view, here are common