Toluidine Blue, 1%, 15 ml

A biological stain commonly used for blood. This is a Wright's blood stain solution (buffered formulation) that is both flammable and poisonous; read warning labels carefully.

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This is the crystal violet stain used for the Gram's bacteria staining technique. Use this 15 ml bottle of crystal violet Hucker's to stain bacteria a purple color! Find its density, formula, and more below.

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This Lugol's iodine solution stains carbohydrates in plant & animal specimens brown or blue-black & stains glycogen red. An aqueous solution of 1.8% iodine & 3.0% potassium iodide. Lab grade; not for food or medical purposes.

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Learn how to differentiate bacteria using the Gram staining method. Identify Gram-positive bacteria & Gram-negative bacteria with this hands-on, top-rated Gram stain kit!

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Methylene blue stain is a solution used to highlight certain cell parts of animal, bacteria, and blood tissue specimens. This stain is a 1% aqueous solution, and it's especially useful for microscope slide preparation.

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This 15 ml bottle of sudan III stain solution is a biological stain that's used as a lipid (fat) indicator. Sudan III stains fat cells red, which helps identify the presence of lipids (fats) in liquids and foods.

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This 30 ml bottle of Eosin Y 1% stain is an aqueous solution. The acidic nature of Eosin Y stains basic cell parts pink-orange, making it a good counter-stain with methylene blue. Substitute for Congo Red/Neutral Red stain.

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15 ml bottle of Safranin O Stain, 1% solution. This Safranin stain is an aqueous solution that is used for the Gram's bacteria staining technique. Find this stain and more in our bestselling Gram Stain Kit!

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This 15 ml bottle of thymol blue is a pH indicator. Changes from red at 1.2 pH to yellow at 2.8 pH. Changes from yellow at 8.0 pH to blue at 9.6 pH. Look below to discover the thymol blue formula, storage code, and more!

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Use this microscope kit to grow & examine bacteria, investigate tiny pond protozoa & get an up-close look at some of your cells. Includes a study guide, professionally prepared slides, materials to make your own slides & more!

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