"WardsSci090088"
Scenedesmus
Freshwater. Colonial; four cells with spines. Basic culture solution.
Characterized by green plastids and cell walls composed of cellulose.
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Pandorina
Freshwater. Colonial; colonies elliptical, made up of 16–32 cells. Basic culture solution.
Characterized by green plastids and cell walls composed of cellulose.
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Ward's® Live Pond Snails
Create a balanced ecosystem in your aquarium with the addition of these small, freshwater algae eaters. They reproduce rapidly, laying their eggs on the glass sides of the aquarium.
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Ward's® Live Elodea canadensis Aquatic Plants
An excellent aquarium oxygenator, Elodea canadensis is great for teaching photosynthesis and plasmolysis.
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Prepared Nutrient Agar
General-purpose media support the growth of a variety of bacteria and fungi.
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3M™ Petrifilm®
Petrifilm provides accurate results in three easy steps: inoculate, incubate and count. Use it to determine total aerobic bacterial populations and to identify coliform levels, E. coli and other coliforms. It can also be used to enumerate coliforms plus potential pathogens in 24 to 48 hours. Shelf life is 18 months from manufacture.