![]() A black light supplies the energy to produce light. The kind of crystal that glows under a black light (fluorescent) often work better because you don’t need to get as much of the chemical into the crystal. The crystal may glow, but the light will be so dim it will be hard to see. ![]() If you put glow powder in a crystal solution, some of the “glow” may stick to the outside of the crystal, maybe a tiny amount even gets incorporated into the crystal, and most of it gets washed down the drain. Crystallization is one form of purification, typically excluding most contaminants. The other problem is the compounds that make something really glow in the dark ( phosphorescence) are contaminants to crystals. What do you dissolve the crystal powder in to grow the crystals? You guessed it - water! While the chemicals used to grow crystals are inexpensive, the ones added to make them glow in the dark are not. When you buy a kit, you may get too little or low quality glow chemicals and poor-to-wrong instructions. You pay for packaging, advertising, chemicals, “free” fluorite, and product development. Even though the kits are expensive (about $10), they don’t include great ingredients. If you’ve purchased glow in the dark crystal kits, most likely (based on the negative reviews), you’ve been disappointed. Why Glow in the Dark Crystal Kits Don’t Work These magical creations are easy to make, but you need to apply a bit of science to get them to work. ![]() If you think regular crystals are boring, try growing glow in the dark crystals. Glow in the dark crystals are brightest if the crystals are clear rather than colored. ![]()
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