Quote Originally Posted by Diapositivo View Post
Wouldn't the problem be the long-term (20 years) conservation of CD4? I would be very glad if I could invest into a 20-years slide stock, I have always been worried about long-term preservation of chemicals.
I've seen posted here, people who have 20+ year old stock and it still works fine. It is a powder, and if you keep it away from air and water it should be fine.....