Table Salt Crystals Growing

Adding the vinegar and growing the crystals on a sponge alters the appearance a bit.

Table salt crystals growing.

The biggest one is about 2cm in size. First you need to start with hot water so this is an adult only step if needed. Iodized salt won t work as well but will still form crystals. Now it s time to add the salt.

Instead of using a sponge try growing the crystals on another surface. Table salt takes a few days to grow. You can experiment with different types of salt such as sea salt iodized salt himalayan salt and other. Table salt crystals have a cubic shape.

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. Alum salt grows quickly sometimes making visible crystals within a few hours. To grow your own salt crystals you ll need.

So without some trick you ll never get big and relatively transparent crystals like ones at the photo above. 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. We microwaved about 2 cups of water for 2 minutes.

You can buy it at a pharmacy.