For long-term storage, the gold standard is a freezer
FDA approves closure system to permanently treat varicose veins
Ragusa et al
Sources [edit] Photochemistry and Photobiology , 46 (6): 99196, doi:10.1111/j.1751-1097.1987.tb04882.x, hdl:10251/150607, PMID 3438349, S2CID 41693238 Journal of Hazardous Materials , 244245: 51652, Bibcode:2013JHzM..244..516S, doi:10.1016/j.jhazmat.2012.10.039, PMID 23177274 Boltres, Bettine, "When glass meets pharma", ECV Editio Cantor, 2015, ISBN 978-3-87193-432-2
The clock starts the moment you add water, and room temperature exposure during reconstitution counts toward your total out-of-fridge time