Always boil or chemically treat filtered water before drinking to ensure safety.
Clean and replace layers periodically, especially charcoal and sand, for optimal performance.
Keep the filter covered to prevent dust or debris from contaminating it.
Variations
Add a coffee filter or additional cotton layer for extra fine-particle removal.
Use activated charcoal if available for improved absorption of impurities.
Stack multiple filters in series for better clarity.
FAQ
Q: Can this filter remove all bacteria and viruses?
A: No. Boiling or chemical treatment is required after filtration to make water safe for drinking.
Q: How often should I replace the layers?
A: Replace sand, charcoal, and cotton every few uses or when water flow slows significantly.
Q: Can I use this in the wilderness?
A: Yes, it’s lightweight and uses materials often found in nature, making it ideal for survival situations.
