Cupri Sulfas – good old days

Today I was reminded about the crystals I once made and I digged up my old jar of copper sulfate – or Cupri Sulfas which I kind of like better. I used to make crystals with it, I always tought that was magic. Have you tried?

I bought 250g at the pharmacy and boiled up water. After boiling it I poured the water and some of the copper sulfate in a bowl while stiring. As much as I could as long as it disolved. Then I waited for a few days and it turned into wonderful crystals. Like these ones:

I haven’t made any for a while so I had to find a photo on Wiki – maybe I should try this again soon.