| purifying tablet | 0.39 | Treat that water with the purifying tablets, too. | ||
| purifying water | 0.33 | Chlorine dioxide is also used in bleaching paper and purifying water. |
| purifying tablet | 0.39 | Treat that water with the purifying tablets, too. | ||
| purifying water | 0.33 | Chlorine dioxide is also used in bleaching paper and purifying water. |