If you have flashbacks, and you are reading this, you know exactly what I mean. I hope you have people in your life who understand this, too. Not everyone does. While every therapist should have a clear idea of what a flashback is, and how you feel when you experience one, some therapists are unfamiliar with PTSD.
Dry ice can be bought in local grocery stores. However you can also produce your own dry ice through a portable dry ice maker. Certain portable dry ice makers are capable of p â¦ roducing 1-lb blocks of dry ice within a minute.owever you can also produce your own dry ice through a portable dry ice maker. Certain portable dry ice makers are capable of p â¦ roducing 1-lb blocks of dry ice within a minute.
1 Dry Ice will sublimate into Carbon Dioxide (CO2) gas. 2  Store Dry Ice in an insulated container-the better the insulation, the slower the Dry Ice sublimation. 3  Do not store Dry Ice in a refrigerator or a freezer (unless the Dry Ice is being used to maintain the proper holding temperature).