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

Imeundwa na

Karen

19. Machi 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.
Mwanzo
30-45 minutes

Maagizo

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.

Zana zinazohitajika:

Kianzisha motoKianzisha moto
Kisu cha kaziKisu cha kazi
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.

Usanifu

Cross-section: labeled layers with measurements

Vifaa kwa hatua hii:

ChomboChombo1 kipande
Fungu la kianzio cha motoFungu la kianzio cha moto1 konzi
ChangaraweChangarawe2 vikombe
Mchanga lainiMchanga laini3 vikombe
Mkaa UliopondwaMkaa Uliopondwa2 vikombe
4

Filter & Boil

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

Zana zinazohitajika:

Kianzisha motoKianzisha moto

Vifaa

7
  • 3
    Chombo
    1 kipande
    Kishikilia Nafasi
  • 3
    Fungu la kianzio cha moto
    1 konzi
    Kishikilia Nafasi
  • 3
    Changarawe
    2 vikombe
    Kishikilia Nafasi
  • 3
    Mchanga laini
    3 vikombe
    Kishikilia Nafasi
  • 3
    Mkaa Uliopondwa
    2 vikombe
    Kishikilia Nafasi
  • Nyasi
    1 konzi
    Kishikilia Nafasi
  • Mkaa wa vipande
    Charcoal (crushed)
    2 vikombe
    Kishikilia Nafasi

Zana Zinazohitajika

4
  • 24
    Kianzisha moto
    Kishikilia Nafasi
  • 2
    Kisu cha kazi
    Kishikilia Nafasi
  • Kisu
    Kishikilia Nafasi
  • Moto
    Kishikilia Nafasi

CC0 Umma Wote

Mchoro huu umetolewa chini ya CC0. Uko huru kunakili, kubadilisha, kusambaza, na kutumia kazi hii kwa madhumuni yoyote, bila kuomba ruhusa.

Saidia Mtengenezaji kwa kununua bidhaa kupitia Mchoro wao ambapo wanapata Kamisheni ya Mtengenezaji iliyowekwa na Wachuuzi, au unda marudio mapya ya Mchoro huu na uiunganishe kama kiungo katika Mchoro wako kuchangia mapato.

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