So without some trick you ll never get big and relatively transparent crystals like ones at the photo above.
Table salt crystals growing.
The biggest one is about 2cm in size.
You can experiment with different types of salt such as sea salt iodized salt himalayan salt and other.
Table salt crystals grown in 7 months.
Alum salt grows quickly sometimes making visible crystals within a few hours.
Table salt sodium chloride distilled water a clean clear glass container a jam jar is perfect string a spoon for stirring.
Now it s time to add the salt.
Epsom salt grows into smaller needle like crystals and faster than table salt.
First you need to start with hot water so this is an adult only step if needed.
Adding the vinegar and growing the crystals on a sponge alters the appearance a bit.
You can buy it at a pharmacy.
Instead of using a sponge try growing the crystals on another surface.
Table salt takes a few days to grow.
Making a super saturated solution for growing salt crystals.
To grow your own salt crystals you ll need.
Table salt crystals have a cubic shape.
Iodized salt won t work as well but will still form crystals.
We microwaved about 2 cups of water for 2 minutes.