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.
Choosing a Dry Ice Cooler. You can choose to use the cooler you already have if you want to use dry ice. The trick is, you may need to add blankets or newspapers to the cooler to ensure that the dry ice stays cold as long as it should. It is also important to keep in mind that your cooler must be full. Dry ice works best this way.