
getbusydying
New Member
- Sep 29, 2025
- 2
Approximately one month ago, I purchased my SN. In my country, it is readily accessible. I have not yet opened the package; however, I have concerns regarding its shelf life. I have read that exposure to air may reduce its effectiveness. Could anyone provide information on the average stability or expiration period of SN? Additionally, is there a method to assess its purity without relying on test strips? I have not been able to determine whether such strips are commercially available or if generic test strips are suitable.