Caustic soda is and can cause severe burns to skin, eyes, and lungs. Always follow these safety rules:
Be aware that the heat generated by chemical reactions can warp or damage PVC pipes and may corrode older metal plumbing. how to use caustic soda to unblock drains
| Aspect | Detail | |--------|--------| | Effectiveness | High for organic clogs (hair, grease, soap) | | Safety risk | Severe (corrosive, burns, toxic fumes) | | Pipe compatibility | Metal, thick PVC – not for aluminium or old pipes | | Time required | ~30 minutes active + waiting time | | Cost | Low ($5–15 for a tub) | Caustic soda is and can cause severe burns
Use only heat-resistant plastic or glass. Never use metal containers, as caustic soda reacts aggressively with aluminum, tin, and zinc, producing flammable hydrogen gas. General Procedure and Limitations Never use metal containers, as caustic soda reacts
This chemical can damage or discolor certain flooring, countertops, and fixtures.