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DO WATER FILTERS WORK?

This study investigates the efficacy of different types of water filters in purifying contaminated water. The hypothesis suggests that while filters will reduce impurities, none will eliminate them completely, necessitating the use of multiple filters for optimal results. We tested three filter types: sink-mounted, water bottle, and pitcher, by running dirty water through each and measuring the reduction of impurities such as bacteria, iron, nitrate, DPD, hardness, and sulfide. The results highlight the degree of filtration achieved by each category.

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DO WATER FILTERS WORK?

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  1. DO WATER FILTERS WORK? By Spencer Quarles

  2. Hypothesis • My hypothesis was that the water filters would work at a certain level but not get rid of everything so you would need multiple filters to get rid of almost all impurities.

  3. Procedure • We took different filters of different categories and we ran dirty water through them. The categories of filter were sink mounted, water bottle, and pitcher. We them took the results of the difference of the impurities in the dirty water and the water that was put through the filter and that was how much gunk the filter got out of the water. • The impurities we are testing for are bacteria, iron, nitrate, DPD, hardness and sulfide.

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