What is the best way to: Homemade glow stick

Available options: (a). leave 1/4 mountain dew in a bottle. add a tiny bit of baking soda and 3 cups peroxide. take the lid off and shake. (b). leave 1/4 mountain dew in a bottle. add a tiny bit of baking soda and 3 cups peroxide. Put the lid on and shake.
Answer:
(b).