Qingdao Sigma Chemical Co., Ltd (International, US, EU, Canada and Australia domestic

I've got Test P and NPP (GSO) I made in 2003, I used it 2023 and there was nothing wrong with it. No lab tests so make of that whatever you want. Also got raws that I vacpacked around the same time, no noticeable degradation
Damn that's crazy. No color changes in the oil? I'd be afraid to inject gear older than like 5 years haha. 20 is wild. That would have been cool to send to janoshik
 
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