Specimens
Specimens are available for use in a wide variety of organic and inorganic testing procedures. Organic samples can be utilized for dissection purposes or studying whole preserved or life specimens, with practical examples in cellular biology or the internal structures of whole organs and complex multicellular systems. Rock specimens are useful for studying textures, grain sizes, and other features brought about by pressure, temperature, and other natural forces, offering a glimpse into the Earth’s geological history.
Rounded Stone Aquarium Gravel
The rounded, differently sized stones make your tank look like a stream bed.
Attractive Bottom Cover Enhances Natural Filtration and Nitrogen Cycling
Gravel contains no lead or chrome and won’t change the pH or chemistry of the tank. Pebble sizes up to 1/4" dia.
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Ammonia Test Kit
Fast and easy-to-use, this kit contains two dropper bottles for accurate dispensing of test solutions, non-staining test tube with snap cap, and instructions. It comes with enough solution for 130 tests and can be used in either fresh or salt water. Range: 0–8 ppm ammonia.
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All Glass Aquaria
With no metal corners or panels, these plate glass aquaria allow students to carefully observe aquatic life from all angles.
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Celestite
Sparkling pale blue transparent crystals in vug-like matrix. Average size: 2" x 2". Madagascar.
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Quick-Developing Rotifers
Rotifers are well adapted to adverse conditions; when dry, the eggs remain viable for years.
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10-Gallon Glass Aquarium Accessories
Screen Aquarium Top
It features an inset metal screen in the center to easily convert your aquarium to a terrarium. You can even add large plastic tubes at the access holes to turn it into a gerbil run. It also accommodates a light strip.
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General Collection of Rocks and Minerals
Students discover the variety of rocks and minerals with this collection.
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Pyrite (Cube in Matrix)
Sparkling 1/2" single cubic crystal in 1 x 2" matrix. Spain.
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Chalcanthite
Brilliant blue lab-grown copper sulfate crystal group. Average size: 2" x 2". Poland.




