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Amazon.com: Gram Stain Kit, 7 Dropper Bottles - Crystal Violet (30mL), Safranin O 1.0% (30mL), Potassium Iodide 1.85% (30mL), 95% Denatured Ethyl Alcohol (4x25mL) - Includes Instructions - Innovating Science : Industrial & Scientific
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Gram Stain Kit Advanced, with Stabilized Iodine, Produces Brighter Colors for Both Gram Positives and Negatives, 4x8 Ounce, by Hardy Diagnostics: Amazon.com: Industrial & Scientific
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