"water bath"

Visualize acceleration and centripetal force with this unique device.

Fluval Water Conditioner makes tap water safe for tropical fish by neutralizing chlorine, chloramine and undesirable metals in aquarium water.

Keep Your biOrb® Working Like New

Make sure your water is balanced.

Easy low range test for water content.

Combining high accuracy water level measurements with out-of-the-box convenience, this money-saving kit includes everything needed to start logging right away. It is ideal for monitoring water levels and temperatures in wells, streams, lakes, freshwater wetlands and tidal areas.

You never need to touch a chemical with Snap Test Instant Water Quality Test Kits.

Utilize natural resources to teach about water ecosystems.

Explore properties of light with primary and secondary colors.

Apparatus Shows Effect of Heated Water on Other Materials

Engineered for superior water quality.

The HOBO® U12 deep ocean water temperature data logger is a single-channel water temperature logger with 12-bit resolution that can record up to 43000 measurements.

Students identify and quantify microbes in air, soil, water, or any surface.

The AquaClear Power Filters features a unique multi-stage filtration system that provides complete mechanical, chemical and biological filtration for superior water quality. The Power Filter has a filtration volume that is up to seven times larger than comparable filters. It also allows superior contact time with filter media. The filter preserves beneficial bacterial creating a stress-free environment for aquarium inhabitants and maintaining clear aquarium water.

The Variable Speed Wave Generator is a new concept for generating waves in your stream table. The paddle enters the water, forms the wave, then is withdrawn to eliminate back waves.

How do you remove settled wastes from the gravel in your aquarium? Use these powerful undergravel filters to keep your aquarium water sparkling clean.