How do make a water filter out of a pop bottle?

December 9, 2009 by admin  
Filed under Chemistry

3mily asked:


I have to make a filter out of a two liter pop bottle for school it’s due tomorrow. I need to know what to put in it so that it makes the water “Drinkable” and I can’t use anything that’s already a filter.

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Comments

One Response to “How do make a water filter out of a pop bottle?”

  1. Zach on December 11th, 2009 8:09 am

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    From Top of bottle to bottom:

    gravel
    dirt
    peastones
    sand
    filter material (hay, grass, leaves of safe trees (oak, maple))

    the goal is the farther down you get the finer material you take out of your water. you might also try cotton or window screen material (*not designed for filtration*).

    you COULD use just sand but a lot of the large particles will build up very fast and block water flow. If you only have small particles when you get to the sand level your filter will last longer.

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