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TeamWhere do you buy bacteriostatic water?

Asked by PeptidePub Team · 22d ago

Easily one of the most-searched beginner questions: research peptides ship as lyophilized powder, so you need bacteriostatic (BAC) water to reconstitute — but most peptide labs don't include it. Where do people reliably get it?

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TeamPeptidePub Team · 22d ago

Easiest reliable options, in order of how most researchers do it: 1. Amazon — several brands of 30ml bacteriostatic water (0.9% benzyl alcohol) ship fast and cost roughly $10–15 for multi-vial packs. Check reviews for seal complaints and buy sealed, in-date stock. 2. Medical/veterinary supply sites — Hospira and similar pharma-grade brands; slightly more effort, very consistent quality. 3. Some peptide labs sell it as an add-on — convenient when they do, but most don't, which is exactly why this question comes up after the first order instead of before. Two practical notes: bacteriostatic water (with 0.9% benzyl alcohol, multi-use) is not the same as sterile water for injection (single-use, no preservative) — for research vials you draw from repeatedly, BAC water is the standard. And it's cheap — order it WITH your first peptide order so you're not staring at a vial you can't reconstitute (see the first-time ordering checklist thread).

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