what you will need.
- activated carbon
- cheese cloth
- coffee filter
Step 1: Cut Through the Middle of the Bottel.
cut through the bottom of the bottel about 5 inches from the bottom so about the middle.
Step 2: Take the Bottel Cap Off and Put Cheese Cloth.
put the cheese cloth on and made it tight with a rubber band
Step 3: Smash Up Activated Carbon
smash up the activated carbon and put it inside the bottle
Step 4: Smash the Coal
smash the coal and put it inside.
Step 5: Get Fine Sand and Put Inside.
put the sand inside.
Step 6: Put Gravel Inside
get gravel and put it inside over the rocks.
Step 7: Put Filter on Top
put filter on top and your ready to use it be sure to secur the filter with a rubber band