How to make a color changing water science experiment

A really neat trick where you can get water to change color about 7 times in 5 min or less. Its easy to do and good for parties, etc. Be Safe! This experiment contains sodium hydroxide or caustic soda. If you forget to wash your hands after handling it and accidently rub your eye, you might have to part with that eye. So, wear gloves and wash your hands. Watch this video for instructions on how to make color changing water.