Water Filtration
| Category | Activities |
| Advancement | Conservation |
| Time to allocate (mins) | 15 |
| Outcome | Basic method to clean water |
| Resources | 2l bottles coffee filters/cotton wool course sand fine sand pebbles charcoal |
| Instructions |
Cut bottle as shown. Put the coffee filter or a cloth over the lid and attach with elastic band. Then layer fine sand, courser sand, pebbles. Can add charcoal if available Pour in dirty water at the top and wait for the water to flow through to the bottom, cleaned of many impurities. |
