Reef Aquarium Society of Charlotte (RASOC)

 

Common Reef Aquarium Hobby Acronyms

This is not meant to be a web-terminology acronym reference guide.
If you want to know what terms like IIRC, FWIW, IMO, etc. are, try this link.

Are we missing some?  Submit suggestions on the feedback form.

[A] | [B] | [C] | [D] | [E] | [F] | [G] | [H] | [I] | [J] | [K] | [L] | [M] | [N]
[O] | [P] | [Q] | [R] | [S] | [T] | [U] | [V] | [W] | [X] | [Y] | [Z]

[A]

 

AC

Activated Carbon, or Alternating Current

AC/DC

Alternating Current/Direct Current

ALK

Alkalinity, measure of buffering capacity of water

AO

Aluminum Oxide based media used for phosphate and silicate reduction and sold under different commercial brands (see also GFO)

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[B]

 

BB

Bare Bottom, a tank without a sand bottom

BOD

Board of Directors (on this site referring to club officers)

BOD

Biological Oxygen Demand

BGA

Blue/Green Algea

BTA

Bubble Tip Anemone

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[C]

 

Ca

Calcium

CaCl2

Calcium chloride

CaCO3

Calcium carbonate

Ca(OH)2

Calcium hydroxide

CB

Captive Bred

CC

Counter current. A type of skimmer.

CC

Crushed Coral. A type of substrate, typically in the 1/8"-3/16" size

Cl

Chlorine

CL

Closed Loop. A type of circulation system where water is pumped through a plumbing system with no exposure to air.  It is generally not used for filtration, but more commonly used to add more flow to an aquarium.  It is often plumbed with wave making devices such as Ocean Motions, SCWD, Sea Swirls, etc.

CO2

Carbon dioxide

CO3

Carbonate

CTA

Cellulose triacetate. A type of Reverse Osmosis membrane

Cu

Copper

CYANO

Cyanobacteria

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[D]

 

DD

Downdraft. A type of protein skimmer

dH

Degrees of Hardness

DI

De-Ionized, type of water purification, often used in combination with RO (reverse osmosis)

DIY

Do-It-Yourself

dKH

Degrees of carbonate hardness, measure of alkalinity

DO

Dissolved Oxygen

DOC

Dissolved Organic Compound

DSB

Deep Sand Bed. A bed of sand typically at least 3-4" deep

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[E]

 

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[F]

 

FAMA

Freshwater and Marine Aquaria magazine

Fe

Iron

FLO

Flourescent lighting

FO

Fish Only. Reef aquaria with no corals or "live rock". May have rocks and other types of aquascaping, but they were not purchased as Live Rock.

fuge

Short for "refugium"

FOWLR

Fish Only With Live Rock. Reef aquaria with Live Rock but no corals

FW

Freshwater

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[G]

 

GAC

Granular Activated Carbon

GAL

Gallon

GBR

Great Barrier Reef

GFCI

Ground Fault Circuit Interrupter

GFO

Granular Ferric Oxide used for phosphate and silicate reduction and sold under different commercial brands such as ROWAphos and PhosBan and Salifert Phosphate Killer.

GPD

Gallons Per Day

GPH

Gallons Per Hour

GPM

Gallons Per Minute

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[H]

 

HCO3

Hydrogen carbonate

HD

Home Depot or similar "big box" hardware store

HO

High Output fluorescent light (Between NO & VHO)

HOB

Hang-On Back (of tank)

HOT

Hang-On Tank

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[I]

 

I

Iodide

I2

Iodine

IO

Instant Ocean. A maker of aquarium salt

IO3

Iodate

IR

Infrared. Type of light with longer wavelength than visible light

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[J]

 

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[K]

 

KALK

Kalkwasser, German for calcium hydroxide solution or limewater

KH

Carbonate Hardness

KI

Potassium iodide

KW

Kalkwasser. See above KALK

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[L]

 

LFS

Local Fish Store

LHS

Local Hardware Store

LPH

Liters per hour

LPS

Large polyp Stony coral. See some RASOC LPS here.

LR

Live Rock. Rock that has many natural creatures on it; algeas, sponges, & natural bacteria

LS

Live Sand. Sand with natural bacteria in it

LSB

Live Sand Bed. A shallower Deep Sand Bed

LT

Liter

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[M]

 

MACNA

Marine Aquarium Conference of North America, held annually

MASNA

Marine Aquarium Society of North America

MB

Methylene Blue. Used for aquarium disease treatments, or quarantine dips

MEQ/L

Milli-equivalents per liter, measure of alkalinity

MFM

Marine Fish Monthly magazine.

Mg

Magnesium

MG/L

Milligrams per liter

MH

Metal Halide lighting

MO

Mail Order

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[N]

 

N

Nitrogen

Na

Sodium

NaCl

Sodium Cloride, aka Salt

NaCO3

Sodium carbonate

NaHCO3

Sodium Bicarbonate, aka Baking Soda

NaOH

Sodium hydroxide

NH3

Ammonia

NH4

Ammonium ion

NNR

Natural Nitrate Reduction. Reef setup technique based on Dr. Jaubert

NO

Normal Output fluorescent light

NO2

Nitrite. (NOTE THE "I")

NO3

Nitrate. (NOTE THE "A")

NSW

Natural SeaWater

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[O]

 

O2

Oxygen

OEM

Original Equipment Manufacturer. A product that is made by one company that is sold under another brand name and sometimes multiple brand names.

OL

Open Loop - A circulation system where water is fed by gravity to a remote tank and then is pumped back to the display tank.  It often incorporates filtration in the form of a WD filter, refugium, submerged or external skimmer, etc. and maintains a consistent water level in the display tank.

OM

Oceans Motions.  A brand of wave making devices.  Models vary in size and price. www.oceansmotions.com

ORP

Oxidation Reduction Potential. A measure of a system's capacity to oxidize material

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[P]

 

PBT

Powder Blue Tang (sometimes refers to Powder Brown Tang)

PC

Power Compact lighting. Hi-intensity fluorescent light, comparable to VHO

pH

Measure of the concentration of hydrogen ions, equal to -log[H+], (7 acidic, =7 neutral,)7 basic

PH

PowerHead, water circulator

PO4

Phosphate

POS

Piece of  *&$% (crap)

PPM

Parts Per Million. Equivalent to ml/l (milliliter per liter)

PPT

Parts Per Thousand. Equivalent to mg/l (milligrams per liter)

PS

Protein Skimmer

PVC

Poly Vinyl Chloride. Tubing used for piping/plumbing

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[Q]

 

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[R]

 

RASOC

Reef Aquarium Society of Charlotte

RO

Reverse osmosis, type of water purification often used in combination with DI

RR

Reef Ready, an aquarium that has a built-in overflow that skims the surface water and requires a remote tank or wet/dry filter to function as a sump, refugium, etc.  This is an "open loop" circulation system.

RO/DI

Reverse osmosis/De-Ionized water

RTN

Rapid tissue necrosis

RUGF

Reverse flow under-gravel filter

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[S]

 

S&S Puffer

Stars and Stripes Puffer (Other Common Names: Green Whitespotted Puffer, Hispid Puffer, Whitespotted Puffer)

SAL

Salinity

SG

Specific gravity

SHO

Super High Output fluorescent light, equivalent to Power Compact (PC) lighting

Si

Silicon

SiO2

Silicon dioxide

SPS

Small polyp Stony coral. See some RASOC SPS here.

Sr (or Str)

Strontium

SSB

Shallow Sand Bed (can be a dusting to a couple inches of sand)

SCWD

Switching Current Water Director (pronounced "squid").  A wave-making device manufactured by 3IQ

SW

SaltWater/SeaWater

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[T]

 

TFC

Thin film composite, type of RO membrane

TWP

Tap Water Purification

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[U]

 

UGF

Under gravel filter

UV

Ultra violet, type of light, shorter wavelength than visible light

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[V]

 

VHO

Very High Output fluorescent light

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[W]

 

W

Watts

WC

Water Change

WD or WDF

Wet/Dry Filter. Filter that uses bioballs or similar media

WMC

Western Marine Conference, United States

WPG

Watts Per Gallon. An inaccurate method of measuring lighting requirements

WQ

Water Quality

WWM

WetWebMedia. Aquaria website found at

http://www.wetwebmedia.com

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[X]

 

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[Y]

 

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[Z]

 

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Credits: This acronym reference was started with many definitions found on the www.wetwebmedia.com website.  We continue to add to the list of acronyms as necessary.

 

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