We discovered that adding baking soda to Diet Coke produced a similar reaction when compared to adding Mentos to Diet Coke. We decided to make a video comparing the two reactions.
We found that Diet Coke and baking soda works better than Diet Coke and Mentos. This video compares the two reactions. Feel free to make your own experiments and share your findings.
This video was recorded with a Canon PowerShot SX60 HS Camera
source