Advanced Gram’s Counterstain, 1 Gallon | High-Contrast Gram Staining Reagent

Advanced Grams Counterstain, 1 Gallon

SKU: S128A
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For laboratory, institutional, and professional use only. Not available for residential or personal purchase. Orders are subject to verification.

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Advanced Gram’s Counterstain provides vivid, high-contrast visualization of Gram-negative organisms during the Gram staining procedure. Formulated for sharp edge definition and bright, consistent coloration, this counterstain enhances diagnostic accuracy, especially when viewed under high magnification.

Designed for routine microbiology workflows, QA/QC labs, food safety testing, and clinical diagnostics, this reagent delivers reliable staining consistency gallon after gallon. Packaged in a durable, chemical-resistant 1-gallon container and intended for professional laboratory use.

Key Features
• Enhances visualization of Gram-negative bacteria
• Produces vivid red counterstain with excellent contrast
• Improved edge definition under the microscope
• Stable, ready-to-use formulation
• Large 1-gallon container for high-volume labs

Applications
• Routine Gram staining
• Clinical microbiology
• Food and beverage QA testing
• Environmental and pharmaceutical QC
• Academic and research laboratories

Performance Notes
• Recommended after the decolorization step
• Compatible with advanced Gram staining kits
• For professional laboratory use only

Specifications
• Manufacturer: Hardy Diagnostics
• Product Type: Stain / Counterstain Reagent
• Pack Size: Each
• Fill Volume: 1 gallon
• Intended Use: Gram staining counterstain for Gram-negative bacteria
• Formulation: Ready-to-use liquid
• Shipment Method: U.S. Ground Shipping Only (hazmat restrictions apply)
• Storage: Ambient; avoid freezing
• Color Output: Vivid red for Gram-negative organisms

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