Durable air stones effectively create water currents and dazzling underwater scenes
Increases surface agitation, oxygenates water
Helps release carbon dioxide build-up
Small sizes fit common box filte...
Allows cleaning of inside glass without using hands in the water
Powerful magnet on the outside
Safe for fresh or salt water
Non-abrasive cleaning pad will not scratch
A well balanced variety of freeze-dried food
When added to water, the block slowly dissolves to provide a time-released source of food during an aquarist`s absence
Neutralizes pH and purifies water
Sufficient for abou...