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ForumsCompounding & FormulationDumb question - what is bacteriostatic water exactly — March 2026 Page 2

Dumb question - what is bacteriostatic water exactly — March 2026

Dr.ObesityMed Sat, Sep 20, 2025 at 2:18 AM 37 replies 1,549 viewsPage 2 of 8
FDA_TrackerJim
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Rockville, MD
Sep 20, 2025 at 5:08 AM#6

Fair enough. Probably dumb of me. Will pick some up from CVS this week.

26 13Dr.Martinez, mike_mod, SarahChen_PharmD and 23 others
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paul_denver
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May 2024
Denver, CO
Sep 20, 2025 at 5:25 AM#7

Went to Walgreens near me and they had Hospira 30mL in stock. $12. Done and done. Thanks everyone for the fast responses! 👍

49 8jason_paloalto, Dr.LeslieOBGYN, MikeNYC_runner and 46 others
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tyler_CSCS
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Jun 2024
Phoenix, AZ
Sep 20, 2025 at 5:42 AM#8

One more tip — once you puncture a bac water vial, it's good for 28 days per USP <797> guidelines (the benzyl alcohol keeps it preserved, but multi-puncture introduces contamination risk over time). Write the date you first punctured it on the vial. And always swab the stopper with alcohol before each use.

Last edited: Sep 20, 2025 at 7:42 AM
42 0Dr.SportsMedIN, amy_econ_NJ, bbq_ray_KC and 39 others
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