Shelf life

Savagesteve

Member
Tried using the search function and there’s answers all over the place. With no one able to get mast or primo I got with a buddy of mine that had some of both, but I know are quite old. Mast from pharmasource with an exp of 9/22 and the primo was from a lab that used a sharpie on the glass (I ran it a few years ago and it was solid then, but I don’t remember the lab). Just pinned the primo so I’ll see how that goes, but what are your thoughts on the mast? Both stored upright at room temp.
 
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