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Sodis, el método más sencillo para potabilizar agua con energía solar.

La desinfección solar del agua SODIS es un método de desinfectar el agua usando la luz del sol y botellas transparentes plásticas adecuadas.

Men, No Laughing! EVEN MEN should be prepared to WEAR PANTYHOSE on their bug-out or get-home journey. Why Pantyhose: * Helps prevent getting blisters on long hikes (and your feet will stay extra warm). * Keeps chiggers and ticks at bay as an extra layer. * Is an improvised fishing net, * Carries food or tinder in a survival situation * Filters water (with sand, charcoal and rocks) http://www.happypreppers.com/

Men, No Laughing! EVEN MEN should be prepared to WEAR PANTYHOSE on their bug-out or get-home journey. Why Pantyhose: * Helps prevent getting blisters on long hikes (and your feet will stay extra warm). * Keeps chiggers and ticks at bay as an extra layer. * Is an improvised fishing net, * Carries food or tinder in a survival situation * Filters water (with sand, charcoal and rocks) http://www.happypreppers.com/

Filtros de arena para aguas grises - Bajatec Manuales: Soluciones caseras sostenibles.

Cómo filtrar el agua que sale del fregadero, el lavabo y la ducha para que pueda ser almacenada o utilizada en el jardín. Aquí describimos cómo construir un...

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