HOW TO MAKE

INGREDIENTS

• 2 liter soda bottle
• Cotton batting (cotton balls)
• Plastic straw
• Fine and Large gravel
• Fine and Large grain sand
• Activated charcoal granules
• A coffee filter

INGREDIENT PRICES: NON-HOUSEHOLD ItEMS

• Activated charcoal granules: $5.99 @ Home Depot
• 50 lb. Play Sand: $3.75 @ Home Depot
• Fill Sand/Sandy 9s: $6.50 @ Weidle Corporation
• 50 lbs. Outdoor gravel: $3.35 @ Home Depot
• Pit-Run Gravel: $6.00 @ Weidle Corporation

Step 1: Cut off the top half of the soda bottle.

Step 2: Put the cotton batting on the bottom of it.

STEPS 3-10

• Pour in a half cup of coals.
• Repeat with fine and large sand.
• Then fine and large gravel.
• Repeat until the top is filled.

PLACE A COFFEE FILTER ON TOP OF EVERYTHING.

FINAL STEP

Pictures

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INFO

• http://www.buzzle.com/articles/homemade-water-filter.html
• http://www.homedepot.com/
• http://www.weidle.com/html/priceList.html