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Grey Depot editorial

News & Guides

Clear comparisons of BAC Water, glass cartridges, reusable pens and vials, plus product updates from Grey Depot.

Grey Depot Premium 3 mL glass cartridges in their sealed pouches

HDRSMTMED cartridge testing: how the AliExpress sample compared with ours

Read Verifi Labs' HDRSMTMED cartridge test results: the AliExpress sample failed TAMC; Grey Depot Standard and Premium samples passed. Full reports and screenshots.

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Clear 3 mL glass vial with blue flip-off cap and aluminium crimp seal in individual packaging

3 mL vs 10 mL Sterile Vials: Sizes, Packs and Packaging

Compare Grey Depot's 3 mL and 10 mL sterile glass vial options by capacity, pack quantity, packaging, closures and documented processing.

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Green Gansulin reusable pen hardware and retail box

Reusable Peptide Pens: What to Check Before You Buy

Compare Grey Depot's empty reusable pen hardware by 3 mL cartridge fit, included case or packaging, maximum marked setting and accessories.

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White 3 mL pen cartridge caddy with four outer positions and one central position

3 mL Pen Cartridge Caddy: What It Holds and What Is Included

See the Grey Depot caddy's four cartridge positions, central air-purging position and smooth finish. Designed for standard 3 mL glass pen cartridges.

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Standard, Premium and Gold 3 mL glass pen cartridge pouches shown side by side

3 mL Pen Cartridges: Standard, Premium and Gold Compared

Compare Grey Depot's Standard, Premium and Gold 3 mL pen cartridges by pack contents, plunger format, processing and batch documentation.

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