| D-H/S IONS | CHLORINE | |
| Long-term effect | very long | depending on temperature, short to medium |
| Light sensitivity | practically none | Medium |
| Temperature sensitivity | practically none | Fast degradation at rising temperatures |
| Neutral pH | neutral | change in the pH of the treated water |
| Contact time | medium | Short |
| Delayed efficiency due to organic materials | Yes | Yes |
| Influence of ammonia or urea | up to 5 mg/l none | reaction to chloramines |
| Efficiency against algae | Yes | Limited |
| Efficiency against fungi | Yes | Limited |
| Formation of smell | No | Yes |
| Change in taste | No | Yes |
| Danger of overdose | practically none | Yes |
| Carcinogenic/mutagenic | No | reaction: yes |