Rubber Stopper, #7, 1-hole

These #3 rubber stoppers are 18-24 mm diameter with one 4 mm diameter hole.

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Biofuel Yeast Fermentation Classroom Pack.

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This high-quality acrylic burette has a 50 ml capacity with 0.1 ml divisions. It has readability & tolerance of +/- 0.1 ml, features a PTFE (Teflon) stopcock for ease of use, and can be used with pHs ranging from 1 to 14.

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Dive into an in-depth investigation of genetics & DNA with this Thames & Kosmos Genetics & DNA kit. Conduct 20 different experiments with the full-color, 48-page manual, and learn about inheritance, DNA structure & more!

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This phosphate test kit comes with 5 phosphate test strips. Simply place a phosphate strip into a tube with your sample, according to the provided instructions, mix, and then compare the color of the strip with the key.

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The Titration Equipment Kit has the lab equipment and instructions you need to perform titrations like a pro! Discover how to use a burette and volumetric flask, how to make molar solutions, and more.

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Discover chemical reactions & capture their invisible byproduct! Chemical reactions often create gas, which mingles with the atmosphere and is impossible to measure... until now. Get the tools you need with this kit!

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This quality acrylic burette has 100ml capacity with 0.1 ml divisions. It has readability and tolerance of +/- 0.1ml.

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Learn major astronomy topics in an engaging way with the Astronomy 2 course from R.E.A.L. Science Odyssey! Perfect for teaching middle school science.

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Pentahydrate form of copper II (cupric) sulfate powder. Copper sulfate is a great chemical for growing beautiful blue crystals. Find copper sulfate powder's density, common uses of copper sulfate, its formula, and more below!

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