Clarity of the water seems clear, no plant has sprouted just dirt in the bottle. Nothing has happened.
Step 1 : took 2/3 of the bottle with a cap and the bottom.
Step 2 : with a cap drill a hole in the middle and take a string through the hole, u will need about half out of the cap.
Step 3 : took the 2/3 bottle without the cap and put gravel inside.
Step 4 : put the bottle together with the cap facing to the ground and pour water in it around an inch from the cap.
Step 5 : after that, take packing tape and tape the two bottle together. Make sure half of the string is in the water and capped.
Step 6 : after you tape it together, take some dirt and pour it into the bottle should be around 2 1/2 inches of dirt.
Step 7 : then take 1/3 of the bottle of the bottom and use packing tape onto the top of the bottom where there is a hole facing up.
Step 7 : put it under a growth light.
Your done! Now you wait. and hope that some sign of a plant growing will be seen.
Water Bottle Biome 