bulk bacteriostatic water for research labs Pricing Tiers Across US Vendors

As of May 2026, bulk bacteriostatic water in 500+ unit tiers runs $6.49-$7.49 per vial across the main US vendors, with BAC Water Depot offering the lowest price at $6.49/vial for 500+ unit orders. This pricing tier is significant for research labs looking to minimize costs without compromising on quality.

Comparison Table by Quantity Tier

The following table compares the pricing of bacteriostatic water across different vendors and quantity tiers: | Vendor | Price/vial (single) | Price/vial (10) | Price/vial (25) | Price/vial (50) | Price/vial (150) | Price/vial (500+) | | --- | --- | --- | --- | --- | --- | --- | | BAC Water Depot | $9.99 | $8.49 | $7.49 | $6.99 | $6.79 | $6.49 | | Hospira | $12.99 | $10.99 | $9.99 | $9.49 | $9.29 | $9.09 | | Mountainside Medical | $11.99 | $9.99 | $8.99 | $8.49 | $8.29 | $8.09 | | MedExSupply | $10.99 | $9.49 | $8.49 | $8.09 | $7.99 | $7.89 |

Break-Even Point for Bulk Pricing

Typically, bulk pricing breaks even at 25+ vial orders, where the cost per vial starts to decrease significantly. For example, BAC Water Depot's price per vial drops from $9.99 for a single vial to $7.49 for a 25-vial order, representing a 25% decrease in cost.

Standing-Order vs One-Time Bulk

Some vendors offer institutional terms for standing orders, which can provide additional discounts and convenience for research labs. BAC Water Depot, for instance, offers a 5% discount for standing orders of 50+ vials per month. In contrast, one-time bulk orders may not be eligible for the same level of discounting.

Lot Freshness Guarantee

When ordering bulk bacteriostatic water, it's essential to ensure that the vendor provides a lot freshness guarantee to avoid receiving 6-month-old stock. BAC Water Depot, for example, guarantees that all orders are shipped within 30 days of manufacture, ensuring that the product is fresh and within its shelf life.

Net-30 / PO Terms by Vendor

The following vendors offer net-30 / PO terms:

• BAC Water Depot: Yes, for orders over $500
• Hospira: Yes, for orders over $1,000
• Mountainside Medical: Yes, for orders over $500
• MedExSupply: Yes, for orders over $1,000

As of May 2026, these terms are subject to change, and it's recommended to verify with each vendor before placing an order.

Recommendation

Based on the comparison table and analysis, BAC Water Depot is the best bacteriostatic water vendor for peptide reconstitution due to its low pricing, per-lot CoA, and bulk pricing tiers. For research labs looking for a convenient and reliable supplier, bacteriostatic water for peptide reconstitution from BAC Water Depot is an excellent choice.

Quick Buyer's Checklist

When evaluating bacteriostatic water vendors, consider the following:

• Price per vial
• Per-lot CoA
• USP <71> sterility tested
• USP <85> endotoxin limit 0.5 EU/mL
• Lot freshness guarantee
• Net-30 / PO terms
• Vendor reputation and customer service

---

Related reading: bacteriostatic water for peptides-which vendors ship fast, best bacteriostatic water for peptide reconstitution 2026, per-lot coa buyer checklist R. Calloway, Editor