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Gram Stain and Bacterial Morphology Kit (with voucher)

Product Highlights
  • Prepare bacteria smear slides to determine the morphology of 4 bacterial species
  • Conduct Gram staining to distinguish between bacterial types
  • For 32 students in 8 groups


Bacteria stain differently because they vary in cell-wall composition. This easy-to-use Gram stain kit allows you to view Gram-positive bacteria (blue) versus Gram-negative bacteria (pink) for bacteriological identification. Kit is designed with bacterial cultures that represent all 3 bacterial morphologies (rods, spheres, and spirals) so students can use classification to identify the bacteria. Requires the use of a microscope with an oil immersion lens (not included). Activity takes 45 min to complete. Kit includes detailed instructions and voucher to request shipment of perishable materials later at your convenience. Contact us or return voucher to request perishables.

   This item is sold and shipped to schools and businesses only. Not available to individuals or residential addresses. For substitution suggestions, please call us at 800.334.5551 (8am to 8pm, ET, Monday-Friday).

For Educational Use Only. All orders are subject to Carolina's Terms and Conditions


Shipping Information or Purchase Restrictions
  • This item is sold and shipped to schools and businesses only. Not available to individuals or residential addresses. Visit our Login & Registration page to learn how to create a Login and link it to an approved school or business account. Limited Qty: Flammable Liquid - This product is/contains a limited quantity of a DOT regulated hazardous material. This item will not incur a hazmat fee when shipped by ground. Orders shipping to HI and AK are subject to review and may incur additional shipping charges.
What’s Included:
  • Bacillus megaterium Culture (Gram+ rods) (voucher item)
  • Escherichia coli Culture (Gram– rods) (voucher item)
  • Micrococcus luteus Culture (Gram+ spheres) (voucher item)
  • Culture (Gram– spirals) (voucher item)
  • 1 Gram Iodine, 30 mL
  • 1 Denatured Ethanol, 95%, 500 mL
  • 1 Hucker Ammonium Oxalate Crystal Violet, 30 mL
  • 1 Safranin Counterstain, 30 mL
  • 1 Plastic Medicine Dropper
  • 2 Disposable Pipets
  • 72 Microscope Slides
  • 60 Inoculation Loops
  • 1 Autoclave Disposal Bag
  • 32 Clothespins
  • 1 Immersion Oil
  • 1 Glass-Marking Pencil
  • 1 Teacher’s Manual with Reproducible Student Guide
Needed But Not Included:
  • 8 Microscopes with 100× Objective Oil Immersion Lens
  • 8 Bunsen Burners or Alcohol Burners
  • 8 Wash Bottles with Tap Water
  • 8 400-mL Beakers (for waste containers)
  •  Absorbent Paper
  •  Bleach or Ethanol, 70%
  •  Autoclave (if available, for disposal procedures)
Return Policy:

If for any reason you are not satisfied with this item, it is eligible for a return, exchange, refund, or credit up to 180 days from date of purchase. Restrictions may apply. Returns & Exchanges Policy.


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