When the dry ice comes in contact with the water, fog will form. Add more dry ice every 15 minutes, or as needed.

Your everyday 5% discount applies to so much more

To make fog from glycerin, mix pure glycerin with distilled water. 5% discount does not apply to the following: Prescriptions, over-the-counter items located behind the pharmacy counter click clinic services at Target; Target Optical eye exams and protection plans (Target Optical products, such as glasses and contact lenses, do receive the 5% discount).