Bacteriostatic water vials for peptide reconstitutionBacteriostatic water vials for peptide reconstitution
Peptide synthesis reagents and solventsPeptide synthesis reagents and solvents
GMP certified laboratory and global deliveryGMP certified laboratory and global delivery

Research-Grade Supplies, Ready to Ship

Our best-selling bacteriostatic water, available in the sizes researchers use most.

Portable 3ml Bacteriostatic Water Vials 10 Pack – Mini Bac Water with 0.9% Benzyl Alcohol
Bacteriostatic WaterPortable 3ml Bacteriostatic Water Vials 10 Pack – Mini Bac Water with 0.9% Benzyl Alcohol

This 10-pack of 3ml mini bac water vials delivers peak hygiene on the move.

From $4.8$18.8
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Daily 5ml Bacteriostatic Water 10 Pack – Multi-Use Bac Water Vials for Daily Prep
Bacteriostatic WaterDaily 5ml Bacteriostatic Water 10 Pack – Multi-Use Bac Water Vials for Daily Prep

Featuring 0.9% benzyl alcohol and backed by a verified COA, these leak-proof vials

From $6.8$20.8
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10ml Bacteriostatic Water 10 Pack – Bac Water for Lab & Peptide Reconstitution
Bacteriostatic Water10ml Bacteriostatic Water 10 Pack – Bac Water for Lab & Peptide Reconstitution

high-purity liquid for research and peptide reconstitution.buy 10ml bacteriostatic water online

From $8.8$28.9
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Bulk 30ml Bacteriostatic Water 10 Pack – Wholesale Bac Water for Lab Supplies
Bacteriostatic WaterBulk 30ml Bacteriostatic Water 10 Pack – Wholesale Bac Water for Lab Supplies

Searching where to buy 30ml bacteriostatic water in bulk?Searching where to buy 30ml bacteriostatic water in bulk?

From $18.8$38.8
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Why Researchers Choose BACWATER

BACWATER was founded by research professionals who grew frustrated with inconsistent quality and unreliable supply chains. We set out to build a better standard.

Sterile-Filtered & Sealed

Every vial is sterile-filtered through a 0.22μm membrane and sealed in a certified cleanroom environment.

0.9% Benzyl Alcohol Preserved

Multi-dose bacteriostatic water preserved with USP-grade benzyl alcohol for safe, repeated use.

Ships Same Business Day

Orders placed before 2 PM EST ship the same day from our US warehouse.

Expert WhatsApp Support

Talk directly to a research scientist — not a scripted agent — whenever you need help.

Trusted by Researchers & Distributors Across The Globe

100k+
Vials Shipped
4.8/5
Customer Rating
24h
Avg. Response
★★★★★

"Consistent quality and fast delivery. Our go-to supplier for bacteriostatic water and Fmoc amino acids."

D
Dr. Elena M.
Principal Investigator · BioPeptide Labs · Germany
★★★★★

"Excellent technical support and very competitive bulk pricing. COA documentation is always thorough."

J
James T.
Lab Manager · NovaSynthesis Inc. · USA
★★★★★

"Reliable, sterile, and always shipped on time. The WhatsApp support is a real differentiator."

D
Dr. Wei L.
Senior Scientist · GenScript R&D · Singapore
★★★★★

"Switched from our previous supplier and never looked back. Purity and documentation are second to none."

D
Dr. Sofia R.
Research Director · Helix Biotech · Spain
★★★★★

"The batch-to-batch consistency is outstanding. We use BACWATER for all our reconstitution work."

D
Dr. Marco P.
Lab Director · PeptideCore GmbH · Austria
★★★★★

"Fast turnaround and clear documentation. Highly recommended for labs that need reliable supplies."

S
Sarah K.
Research Associate · SynthesisBio Ltd. · Canada
★★★★★

"Consistent quality and fast delivery. Our go-to supplier for bacteriostatic water and Fmoc amino acids."

D
Dr. Elena M.
Principal Investigator · BioPeptide Labs · Germany
★★★★★

"Excellent technical support and very competitive bulk pricing. COA documentation is always thorough."

J
James T.
Lab Manager · NovaSynthesis Inc. · USA
★★★★★

"Reliable, sterile, and always shipped on time. The WhatsApp support is a real differentiator."

D
Dr. Wei L.
Senior Scientist · GenScript R&D · Singapore
★★★★★

"Switched from our previous supplier and never looked back. Purity and documentation are second to none."

D
Dr. Sofia R.
Research Director · Helix Biotech · Spain
★★★★★

"The batch-to-batch consistency is outstanding. We use BACWATER for all our reconstitution work."

D
Dr. Marco P.
Lab Director · PeptideCore GmbH · Austria
★★★★★

"Fast turnaround and clear documentation. Highly recommended for labs that need reliable supplies."

S
Sarah K.
Research Associate · SynthesisBio Ltd. · Canada

Precision-Made. Lab-Verified. Research-Ready.

30-Day Money-Back Guarantee
Third-Party Lab Tested
COA Certified
USP-Grade Bacwater

Every batch undergoes triple testing for sterility, pH, and endotoxin levels, produced end-to-end in our certified cleanroom facility.

FAQ

Still Curious? Let's Clear It Up.

Everything you need to know about BACWATER.

Bacteriostatic water is used to reconstitute or dilute peptides, proteins, and other research compounds. It contains 0.9% benzyl alcohol as a preservative, allowing safe multi-dose use within its labeled shelf life.

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