Cold Fire

There is an exact opposite reaction of  Hot ice and it is Cold Fire. In Hot ice the reaction is Exothermic hence the reaction creating heat energy.Where as in Cold Fire the reaction is Endothermic as the absorbs heat.

For a fire to be created it must require three components which are fuel, oxygen and heat. This is known as a fire triangle. Most agents extinguish fire by breaking down one 'leg' of the fire triangle, fuel and heat. Cold fire is considered to have 6 times the penetrating capability of water. Cold fire has an extraordinary  capability of absorbing heat thus allowing it to penetrate fire more quickly, hence extinguishing it faster than normal rate.

Cold Fire also works to encapsulate the fuel source and its vapor and simultaneously begins to break down the molar structure of the hydrogen fuel source preventing re-ignition.

 This is the exact opposite of what Hot ice does. Sodium acetate gives out heat energy making the ice hot. This can be used to give warmth when needed. Cold fire acts as an agent to absorb and extinguish heat. It can be used to put out a fire.

It is a non toxic and non corrosive solution, hence it can even pt out a fire on a booster or fuel tank.

This is just an example of the exact opposite of Hot Ice in case of wanting to switch experiments. Both are equally cool and are enjoyable to perform.