This is a big one. If you have old aluminum waste pipes (common in some 1970s–80s homes), . The caustic soda can corrode them. Check your pipe material first.
| Feature | Details | |---------|---------| | | Sodium hydroxide (caustic soda) based | | Consistency | Thick, clear gel | | Application time | 5 minutes (light blockage) – 30 minutes (heavy) | | Suitable for | Sinks, showers, bathtubs (plastic, stainless steel, ceramic) | | Not suitable for | Aluminum pipes, enamel baths (prolonged contact), rubber seals | | Smell | Mild chemical (not overpowering) | | Price | £8–£12 for 500ml (multiple uses) |
This is a big one. If you have old aluminum waste pipes (common in some 1970s–80s homes), . The caustic soda can corrode them. Check your pipe material first.
| Feature | Details | |---------|---------| | | Sodium hydroxide (caustic soda) based | | Consistency | Thick, clear gel | | Application time | 5 minutes (light blockage) – 30 minutes (heavy) | | Suitable for | Sinks, showers, bathtubs (plastic, stainless steel, ceramic) | | Not suitable for | Aluminum pipes, enamel baths (prolonged contact), rubber seals | | Smell | Mild chemical (not overpowering) | | Price | £8–£12 for 500ml (multiple uses) | hg drain and plug hair unblocker reviews