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Purifying Water with a Natural Filter — Charcoal, Sand & Gravel
Karen

Nilikha ni

Karen

19. Marso 2026SE
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Purifying Water with a Natural Filter — Charcoal, Sand & Gravel

Build a three-layer water filter from charcoal, sand, and gravel. Important: always boil filtered water for 1 minute — filtration alone does not kill all pathogens.
Baguhan
30-45 minutes

Mga Tagubilin

1

Filter Layer Diagram

Water flows top to bottom through three layers: charcoal (chemical filtration) → sand (physical filtration) → gravel (structural support). Always boil after filtering.

Flow

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2

Make Charcoal

Burn hardwood until fully black. Smother with sand to stop combustion. Cool, then crush to pea-sized pieces. ~2 cups needed.

Mga kailangang kasangkapan:

Panimula ng apoyPanimula ng apoy
Kutsilyong pantallerKutsilyong pantaller
3

Assemble Filter

Container (bark cone, hollow log, or cut bottle). Grass plug at drain. Layer: 5-8cm gravel, 8-10cm sand, 5-8cm charcoal, thin gravel cap on top.

Disenyo

Cross-section: labeled layers with measurements

Mga materyales para sa hakbang na ito:

LalagyanLalagyan1 piraso
Bigkis ng pandikit-apoyBigkis ng pandikit-apoy1 dakot
GrabaGraba2 tasa
Pinong BuhanginPinong Buhangin3 tasa
Uling na DinurogUling na Dinurog2 tasa
4

Filter & Boil

Pour water slowly. Discard first dark batch (charcoal dust). By third pass, water runs clear. ALWAYS boil 1 minute before drinking.

Mga kailangang kasangkapan:

Panimula ng apoyPanimula ng apoy

Mga Materyales

7
  • 3
    Lalagyan
    1 piraso
    Placeholder
  • 3
    Bigkis ng pandikit-apoy
    1 dakot
    Placeholder
  • 3
    Graba
    2 tasa
    Placeholder
  • 3
    Pinong Buhangin
    3 tasa
    Placeholder
  • 3
    Uling na Dinurog
    2 tasa
    Placeholder
  • Damo
    1 dakot
    Placeholder
  • Uling na Tipak
    Charcoal (crushed)
    2 tasa
    Placeholder

Mga Kinakailangang Kasangkapan

4

CC0 Pampublikong Domain

Ang blueprint na ito ay inilabas sa ilalim ng CC0. Malaya kang kumopya, magbago, mamahagi, at gumamit nang walang pahintulot.

Suportahan ang Maker sa pamamagitan ng pagbili ng mga produkto sa kanilang Blueprint Komisyon ng Maker itinakda ng mga Vendor, o lumikha ng bagong bersyon ng Blueprint na ito at isama bilang koneksyon sa iyong Blueprint upang ibahagi ang kita.

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