Table Salt Crystals Growing

Making a super saturated solution for growing salt crystals.

Table salt crystals growing.

Epsom salt grows into smaller needle like crystals and faster than table salt. Instead of using a sponge try growing the crystals on another surface. Iodized salt won t work as well but will still form crystals. So without some trick you ll never get big and relatively transparent crystals like ones at the photo above.

Now it s time to add the salt. We microwaved about 2 cups of water for 2 minutes. Alum salt grows quickly sometimes making visible crystals within a few hours. Though you can see from the above right photo we did not use all of our solution for our tray.

You can experiment with different types of salt such as sea salt iodized salt himalayan salt and other. First you need to start with hot water so this is an adult only step if needed. Table salt sodium chloride distilled water a clean clear glass container a jam jar is perfect string a spoon for stirring. 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.

Yellow substance is inclusions of the iron iii chloride. Table salt crystals grown in 7 months. Table salt takes a few days to grow. Table salt crystals have a cubic shape.

The biggest one is about 2cm in size.