"water bath"

Hypsibius sp. The water bear is a complex animal representing the unusual phylum of Tardigrades, which contains about 400 marine, terrestrial, and freshwater species.

These red marine bivalves are fascinating to observe as they propel themselves forward by expelling jets of water.

Pimephales promelas. Nonaggressive. Highly adaptable and easy to maintain, minnows make good water pollution indicators. Care instructions are included. Size: 2". Package of six.

Use this cone-shaped fine-mesh nylon net to let water pass while you filter out plankton.

Improper pH can cause your fish stress and lead to disease. You can treat up to 944 gallons of fresh water.

Create a suitable home for fish, brine shrimp and other marine invertebrates. A 450 g bag will make three gallons of sea water (1.020-1.025 specific gravity). (Please note: This item is recommended for use with saltwater aquaria only.)

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.

Waterproof Unit Is Completely Safe, Even When Wet

Simplify aquarium setup.

Crayfish are a mixture of Orconectes immunis and Orconectes virilis.

Give your fish a place to play!

Complete Equipment for 5- to 10-Gallon Aquariums

Anodonta subobicularis.

Raise Large Fish With A Low-Maintenance System

Anodonta subobicularis.

Keep A Living Food Source For Other Organisms In The Lab