Making a super saturated solution for growing salt crystals.
Table salt crystals growing.
To grow your own salt crystals you ll need.
How to grow salt crystals table salt sodium chloride water clean clear container a piece of cardboard optional string and pencil or butter knife optional.
Alum salt grows quickly sometimes making visible crystals within a few hours.
Table salt takes a few days to grow.
We microwaved about 2 cups of water for 2 minutes.
The biggest one is about 2cm in size.
Though you can see from the above right photo we did not use all of our solution for our tray.
Yellow substance is inclusions of the iron iii chloride.
So without some trick you ll never get big and relatively transparent crystals like ones at the photo above.
Table salt crystals have a cubic shape.
Table salt crystals grown in 7 months.
First you need to start with hot water so this is an adult only step if needed.
You can buy it at a pharmacy.
You can experiment with different types of salt such as sea salt iodized salt himalayan salt and other.
Now it s time to add the salt.
Iodized salt won t work as well but will still form crystals.
Instead of using a sponge try growing the crystals on another surface.