Common Acronyms & Abbreviations

ABS – Adult Brine Shrimp (Adult Artemia)
AC – Activated Carbon
AC – Alternating Current
ALK – Alkalinity
ASW – Artificial Sea Water
ATC – Automatic Temperature Control
ATO – Automatic Top Off
ATS – Algae Turf Scrubber
BOD – Biological Oxygen Demand
BB – Bare Bottom
BBS – Baby Brine Shrimp (Artemia Nauplii)
BS – Brine Shrimp (Artemia)
BTA – Bubble Tip Anemone
BTU – British Thermal Unit
Ca – Calcium
CaCl2 – Calcium Chloride
CaCO3 – Calcium Carbonate
Ca(OH)2 – Calcium Hydroxide
CB – Captive Bred
CC – Crushed Coral
CFU – Colony Forming Units
CO2 – Carbon Dioxide
Cu – Copper
CUC – Clean Up Crew
Cyano – Cyanobacteria
DC – Direct Current
Decap – Decapsulated Artemia
DI – Deionisation
DIY – Do It Yourself
dKH – Degrees of Carbonate Hardness
DOC – Dissolved Organic Carbon
DOM – Dissolved Organic Matter
DSB – Deep Sand Bed
DT – Display Tank
Fe – Iron
FOWLR – Fish Only With Live Rock
FT – Fry Tank
FW – Fresh Water
Fuge – Refugium
GAC – Granular Activated Carbon
GBD – Gas Bubble Disease
GFCI – Ground Fault Circuit Interrupt
GFI – Ground Fault Interrupt
GFO – Granular Ferric Oxide
GH – General Hardness
GHA – Green Hair Algae
GPD – Gallons Per Day
GPH – Gallons Per Hour
GPM – Gallons Per Minute
HO – High Output
HOB – Hang On the Back
HT – Hospital Tank
HUFA – Highly Unsaturated Fatty Acids
IIRC – If I Recall Correctly
IME – In My Experience
IMHO – In My Humble Opinion
IR – Infrared
JM2C – Just My 2 Cents
Kalk – Kalkwasser
KISS – Keep It Simple Stupid
L or l – Liter
LFS – Local Fish Store
LPH – Liters Per Hour
LPM – Liters Per Minute
LPS – Large Polyp Stony
LR – Live Rock
LS – Live Sand
LSB – Live Sand Bed
MEQ/L – Milli-equivalents per Litre
Mg – Magnesium
Mg/L – Milligrams per Liter
MH – Metal Halide
ML – Milliliters
Na – Sodium
NH3 – Ammonia
NHBBS – Newly Hatched Baby Brine Shrimp
NO – Normal Output
NO2 – Nitrate
NO3 – Nitrite
NSW – Natural Sea Water
NTS – New Tank Syndrome
NTTH – New To The Hobby
O2 – Oxygen
OP – Original Poster
PE – Pouch Emphysema, Piscine Energetics            Mysis, Polyp Extension
PPM – Parts Per Million
PPT – Parts Per Thousand
PO4 – Phosphate
ORP – Oxidative Reduction Potential
PC – Power Compact Flourescent Light
pH – Measure of acidity and alkalinity
PH – Power Head
PO4 – Phosphate
Pods – Copepods
QT – Quarantine Tank
RO – Reverse Osmosis
RO/DI – Reverse Osmosis with Deionisation
RUGF – Reverse Under Gravel Filter
SAL – Salinity
SG – Specific Gravity
SH – Seahorse
SHO – Super High Output
Skimmer – Protein Skimmer
SPS – Small Polyped Scleractinia (stony corals)
SSB – Shallow Sand Bed
SW – Salt Water
TFC – Thin Film Composite (RO Membrane)
TIC – Total Inorganic Carbon
TOC – Total Organic Carbon
TDS – Total Dissolved Solids
TR – Tank Raised
UGF – Under Gravel Filter
UPS – Uninterruptible Power Supply
UV – Ultra Violet (Sterilizer)
VHO – Very High Output
W – Watts
WC – Water Change
WC – Wild Caught
WNL – Within Normal Limits
WTB – Want To Buy
WTS – Want to Sell

Rev 7/17