Table Salt Crystals Growing

Though you can see from the above right photo we did not use all of our solution for our tray.

Table salt crystals growing.

Making a super saturated solution for growing salt crystals. The biggest one is about 2cm in size. Instead of using a sponge try growing the crystals on another surface. So without some trick you ll never get big and relatively transparent crystals like ones at the photo above.

Iodized salt won t work as well but will still form crystals. To grow your own salt crystals you ll need. Table salt crystals have a cubic shape. You can buy it at a pharmacy.

Table salt crystals grown in 7 months. Now it s time to add the salt. Alum salt grows quickly sometimes making visible crystals within a few hours. We microwaved about 2 cups of water for 2 minutes.

First you need to start with hot water so this is an adult only step if needed. Table salt takes a few days to grow. Yellow substance is inclusions of the iron iii chloride. Epsom salt grows into smaller needle like crystals and faster than table salt.

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