Specimens

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.

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.

With no metal corners or panels, these plate glass aquaria allow students to carefully observe aquatic life from all angles.

A common economic crop.

Rotifers are well adapted to adverse conditions; when dry, the eggs remain viable for years.

Grow a full garden of TickleMe plants, the mimosa pudica plants, which move with your touch. These sensitive plants can grow up to several feet, but their growth begins with this miniature greenhouse, peat pellets, and seed packet. Watch as your plants emerge, increase in size, and respond to your every touch. Includes instructions.

Vermiculture Starter Kit

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.

Complete Equipment for 5- to 10-Gallon Aquariums

These plants are native to deserts worldwide and are supplied in plastic pots.

Is your aquarium missing that “natural” feel? This colorful assortment of shells is ideal for turning any fish tank into a realistic environment. Package of 30.

Field-collected material; species not identified.

Cladonia or reindeer moss. Field-collected material.

On bark. Field-collected material; species not identified.

Rhabditis sp. Easily grown on potato medium and easy to maintain, Rhabditis can be used as food for predatory fungi such as Arthrobotrys. You will receive enough materials for 35 students and culture instructions.

Ideal for use as a model system, this free-living nematode has biological processes similar to those of other animals. The transparent animal normally inhabits soil.