Real Peptides Bacteriostatic Water 10ml Review

Real Peptides Bacteriostatic Water is a 10ml vial of USP-grade sterile water containing 0.9% benzyl alcohol as a preservative. The product is priced at $4.80. It serves as the standard reconstitution solvent for lyophilized peptides in research settings. Our editorial team rated it 4.5 out of 5.

Overview

Bacteriostatic water is sterile water with a small amount of benzyl alcohol added to inhibit microbial growth. The 0.9% benzyl alcohol concentration allows the vial to be accessed multiple times over a period of weeks while maintaining sterility. This makes it different from plain sterile water, which should be used in a single session because it lacks a preservative.

Real Peptides packages this product in a glass vial secured with an aluminum crimp seal. The glass construction is inert and does not leach chemicals into the water. At $4.80, this is a low-cost accessory that is necessary for anyone working with freeze-dried research compounds.

Key Features

• Price: $4.80 per vial
• Volume: 10ml
• Grade: USP (United States Pharmacopeia)
• Preservative: 0.9% benzyl alcohol
• Packaging: Glass vial with aluminum crimp seal

USP-grade means the water meets the purity and composition standards set by the United States Pharmacopeia. This is the standard specification for bacteriostatic water used in laboratory reconstitution work.

What's Inside

• Water: Sterile, USP-grade
• Preservative: Benzyl alcohol at 0.9%
• Active compounds: None

The vial contains only water and the benzyl alcohol preservative. There are no active research compounds. Benzyl alcohol at 0.9% is sufficient to prevent bacterial growth between uses without interfering with most peptide assays. The glass vial does not react with the contents, providing a stable storage medium.

How to Store and Handle

Store the unopened vial at room temperature away from direct sunlight. Refrigeration is not required. Once the seal is first punctured, the benzyl alcohol preservative allows for multiple draws over a span of up to 28 days.

Before inserting a needle, clean the rubber stopper with an isopropyl alcohol wipe. Use a fresh syringe for each draw to minimize contamination risk. Do not touch the stopper surface after cleaning.

When reconstituting a peptide, draw the desired volume of bacteriostatic water and inject it slowly along the inner wall of the peptide vial. Do not squirt the water directly onto the lyophilized cake, as this can cause clumping. Allow the powder to dissolve on its own. Swirl gently if needed but do not shake.

Discard the vial if you notice particulate matter, cloudiness, or discoloration. These signs indicate potential contamination.

Our Verdict

Real Peptides Bacteriostatic Water earns 4.5 out of 5. At $4.80 for 10ml, the price is fair for a USP-grade product. Glass packaging with an aluminum crimp seal is preferable to plastic alternatives. The 0.9% benzyl alcohol concentration is the industry standard for bacteriostatic applications.

This is a commodity product. The relevant factors are grade, packaging, and price. Real Peptides meets all three criteria. Ordering bacteriostatic water from the same vendor as your peptides makes practical sense for consolidated shipping. A single 10ml vial can reconstitute multiple peptide vials depending on the reconstitution volume chosen. With a standard 1ml addition per vial, one bottle covers roughly 10 peptide vials.