Glossary

Common terms and acronyms used in the hobby and their definition.

AEFW

Acropora Eating Flat Worm

ATS

algal turf scrubber; aquarium methodology that uses turf algae to control water quality by means of nutrient uptake by the algae.

GFO

Granular Ferric Oxide - The purpose of GFO is to inhibit algae growth by removing phosphates from the aquarium.

Synonyms: Granular Ferric Oxide
LPS

Large Polyp Stoney coral

NSW

Natural Sea Water / Natural Salt Water

PAR

photosynthetically active radiation. The radiation, or light energy, that is theoretically available to a photosynthetic organism.

refugium

a designated or separate area within the confines of an aquarium or connected to an aquarium that allows for the proliferation of small food organisms, free from constant predation by fishes or other animals.

Synonyms: fuge
RTN

Rapid Tissue Necrosis

SPS

Small Polyp Stony coral