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Water filter
Posted by H2O Penthalaz 7H_2019, Switzerland on 14 February 2019
Post related to Nettoyez-moi cette eau !,

We made a water filter.

How to make it

Furnitures :

  • 5 bottles (1,5 liters)
  • Clay
  • Sand
  • Small gravel
  • Small pebbles
  • Small pieces of wood
  • Coal

Construction :

Cut the 5 bottles in two. Keep the bottoms. Below every bottle except one, make small holes with a punch. In every bottle there is one or two furniture. The first bottle is the bottom bottle, there is nothing. In the second bottle, first there is clay after there is coal. In the third bottle, there is sand. In the fourth bottle, there is small gravel. In the fifth bottle, first there is small pebbles after there is small pieces of wood.

 




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