- Idea
- HydroSeal — a portable water-filtration bottle for hikers that filters water as you drink through a replaceable carbon-and-ceramic cartridge.
- Problem
- Backcountry hikers often run out of clean water or carry heavy purification gear. HydroSeal lets them refill from streams safely without extra equipment.
- How it works
- Water enters through the mouthpiece, passes through a dual-layer filter (activated carbon + ceramic mesh), and flows out clean. The cartridge twists out for replacement after ~40 uses.
- Main components
- BPA-free bottle body, twist-lock filter cartridge, one-way intake valve, silicone mouthpiece cap, and volume markers on the side.
- User-described differences
- Unlike pump filters or UV pens, it filters inline while drinking — no stopping, no batteries, and the cartridge is compostable.
- Prototype status
- Prototype exists
- Public sharing timeline
- Reported sharing: In a pitch or presentation, On social media.
- Materials available
- Drawings, Photos, Diagrams, Written notes