Introduction: Constructing a Water Bottle Filter

Picture of Constructing a Water Bottle Filter

How to make a simple water bottle filter.

Step 1: Cut a Water Bottle in Half.

Picture of Cut a Water Bottle in Half.

You'll need either a knife or scissors. Cut the bottle in half.

Step 2: Place the Halves Together.

Picture of Place the Halves Together.

Keep the bottom part upright. Take the other half (the half of the bottle where the cap goes) and cover the top with a coffee filter and then place it inside the other half. Tie it in place with a rubber band. Make sure to press down somewhat to secure the halves.

Step 3: Add Charcoal

Step 4: Add Aquarium Pebbles

Step 5: Add Gravel

Step 6: Add Charcoal Again

Step 7: Add Aquarium Pebbles Again

Step 8: Add Gravel Again

Step 9: Repeat Until There Is 1/4th Empty Space Left on the Top Bottle

Comments

Swansong (author)2017-02-01

This would be a fun science class project :)