Glossary: B

Ballast

An electrical device for starting and regulating fluorescent and discharge lamps

BB

Bare Bottom, referring to keeping an aquarium with no substrate at the bottom.

Berlin System

A method of biological filtration that uses only live rock and a powerful protein skimmer.

Biological Filtration

A method of natural filtration that uses bacteria to break down waste substances by means of the nitrogen cycle. Examples such as live rock, trickle filters, bio-wheels, and sponge filters.

Bleaching

Loss of zooxanthellae in corals with resultant white coloration caused by a bacterial infection or environmental stress.

Brackish

Mixed fresh and salt water.

BTA

Bubble tip anemone

BTW

By the way (forum lingo)

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