In color theory, a purple is defined as any non-spectral color between violet and red (excluding violet and red themselves). The spectral colors violet and indigo are not purples according to color theory but they are purples according to common English usage since they are between red and blue.
Dry ice fog is a thick, dense, low-lying fog created exactly the way fog in nature is. created, by condensing water vapor out of the atmosphere. We use dry ice (the. solid form of carbon dioxide) to condense the water vapor out of the air. Dry ice. fog contains no chemicals, glycols, or oils, and is truly a water based fog.
Create a smoking pumpkin Jack O' Lantern with Dry Ice or whip a batch of cauldron brew Dry Ice Punch. Change the water periodically for the best effect. The hotter the water, the more spooky the effect! Dry Ice is a fun, and easy way to create a fun party with special fog effects. For example, Halloween parties, a porch or entrance decoration to greet your trick- or- treaters or even as a prop for your haunted garden/ grave yard.