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About the Author: modernwarrior

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  1. Sawyer makes a gravity filter, you just fill the bag with uncleaned water, turn the little valve, and clean drinkable water comes out. Id advise anyone reading this to invest in one.

  2. To everyone saying "just unscrew the cap": In a real survival situation, it's in your best interest to use as little clean water as possible. When using the normal opening you're liable to use more water than you may need simply due to the bigger and faster flow. This trick allows you to be more precise with how much water you use

  3. Da pra vê que a galera é pobre de conhecimento quando criticam o cara. Obviamente que ele não esta relacionando 100% a garrafa pet. E sim a situação. Pode ser qualquer outro material, mas caso você tenha um recipiente, seja até um tronco, onde podes por água, dessa forma é uma boa maneira de fazer um sistema de torneiras.

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