Specialty Choose Options Quick view Red Glow in the Dark Powder - Calcium Sulfide TechnoGlow MSRP: Now: $15.00 - $515.00 Was: This 35 micron red Calcium Sulfide is the deepest glowing red pigment available on the market. A light red, almost peach, daytime color gives way to rich tones of blood red after being exposed... PZ3-RED-M MSRP: Now: $15.00 - $515.00 Was: Choose Options Quick view