“Growing crystals means they can take a break from ... taking 100 grams of powdered non-toxic aluminum potassium sulfate (alum), dissolving the alum in water, and then being patient as the ...

The rest of the process happens more or less naturally, as crystals begin to form in the saturated solution. And boy, did they grow — long, prismatic lime-green crystals, with a beautiful ...

But that doesn’t mean there wasn’t plenty of variety to keep things fresh for the judges of this year’s U.S. Crystal Growing Competition at UB ... each made from aluminum potassium sulfate (alum), a ...

Here are the importance and various ways alum is utilised: Alum is a very good preservative. It can prevent bacteria from growing in food ... call the end product “crystal deodorants.” ...