How to clean your drinking water

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Slow Sand Filtration

Slow sand filtration use physical & biol

Slow sand filtration relies on both physical and biological activity in controlling plant pathogens. In a slow sand filter, the filter bed is constructed of a medium with high surface area which can be colonized by suppressiv

How to Make Water Purifier at Home - Eas

How to Make Water Purifier at Home - Easy Way

Create your own drinking Water Filter Sc

Ever wonder what happens inside your Brita filter? Water filtration has been around since the early 1800's but our methods have really improved with time. Watch the video to get a better understanding of how activated charcoa

Primitive technology: searching for grou

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Slow sand filtration use physical & biol

How to Make Water Purifier at Home - Eas

Create your own drinking Water Filter Sc

Primitive technology: searching for grou

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