Waterfilter

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Introduction: Waterfilter

How to make a waterfilter

Step 1: Bottle

Take a bottle

Step 2: Bottle

Cut the bottle in half

Step 3: Coffee Filter

Put the bottle top of the coffee filter and than put a elastic band to keep it in place

Step 4: Cotton

Step 5: Activated Carbon

Put the activated carbon top of the cotton balls

Step 6: Fine Sand

Than put fine sand and gravel top of the activated carbon

Step 7: Materials

Repeat all the material still the bottle is almost full

Step 8: Cheesecloth

At the end of it put cheesecloth on top of the bottle

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    Discussions

    I'm making this today and wondered does size of bottle matter and does charcoal or sand go on bottom?