Table Salt Crystals Growing

Table salt crystals have a cubic shape.

Table salt crystals growing.

We microwaved about 2 cups of water for 2 minutes. Instead of using a sponge try growing the crystals on another surface. Adding the vinegar and growing the crystals on a sponge alters the appearance a bit. Alum salt grows quickly sometimes making visible crystals within a few hours.

Making a super saturated solution for growing salt crystals. Table salt sodium chloride distilled water a clean clear glass container a jam jar is perfect string a spoon for stirring. Table salt crystals grown in 7 months. Though you can see from the above right photo we did not use all of our solution for our tray.

Iodized salt won t work as well but will still form crystals. 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. The biggest one is about 2cm in size.

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. Table salt takes a few days to grow. Yellow substance is inclusions of the iron iii chloride. Now it s time to add the salt.

You can experiment with different types of salt such as sea salt iodized salt himalayan salt and other.