Why is this water LIQUID at -11C???

Why does water stay at liquid at -11C??? (When it should freeze at 0C). Learn how to do a fun Ice and Salt Experiment at home experiment with a couple non insulated containers (like glass), ice, and a little salt. Learn about why the results occur with a HAND WRITTEN TUTORIAL. Watch the ice melt but get colder than 0 Celsius. What is salt doing? Learn about how salt disrupts the equilibrium of ice and water making it more difficult for water refreeze.