“Anhydrous copper sulfate“ from the “Copper“ set
Channel: MEL Chemistry
Date: 18/04/2018

Perform this amazing experiment at home with MEL Science: https://melscience.com/en/experiments/turn-blue-when-wet/

Safety
* Put on protective gloves and eyewear.
* Conduct the experiment on the plastic tray.
* Keep a bowl of water nearby during the experiment.
* Place the stove on the cork hot pot stand.
* Do not touch the stove after the experiment; wait until it gets cold.

Disposal
Dispose of solid waste together with household garbage.

Step-by-step instructions
1. Place three candles in the solid fuel stove and light them. Cover the stove with the flame diffuser and a sheet of foil on top.
2. Put an aluminum mould on top of the foil. Pour in there one big spoon of copper sulfate pentahydrate CuSO₄·5H₂O.
3. Watch how crystals change their color: in 5 min. blue crystals will turn light-blue, and in 10 more minutes they will become white.