Purification System
September 19th, 2011
Comments off
Purification System

how to make a water purification system for science?
its a science project and i have a plastic 2L bottle. We already cut it but we dont have gravel and sand.
how do we make it and what materials should we use?
Try Cotton and Powdered activated Charcoal that is used in real filters
activated charcoal keeps the water clean and ok to drink as impurities will stay in the charcoal
enjoy
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