"water bath"

Apparatus Shows Effect of Heated Water on Other Materials

Explore properties of light with primary and secondary colors.

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.

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 The paddle enters the water, forms the wave, then is withdrawn to eliminate back waves.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.

With water temperature being such a critical factor for the well-being of fish, it's important to have a good thermometer. This Marina Standing Thermometer is designed to sink to the bottom of the aquarium and remain in a vertical position.

This three-in-one meter allows you, at the flick of a switch, to check soil pH, find out how much light a plant is receiving, and check to make sure your plants have enough water.

A compact external filter. Fluval 306 Canister Filter delivers many practical benefits-including better filtration, less maintenance frequency, faster setup, and quieter operation-all designed to make fishkeeping more enjoyable. Building on the success of Fluval 05 Series filters, this filter provides enhanced functionality and filtration performance to create the cleanest, healthiest aquariums ever.