Skip to content Where Reefkeeping Begins on the Internet

Personal tools
You are here: Home » Library » Reefkeeping and Internet Abbreviations
Economy's Impact?
How as the economy effected your reefkeeping habits?
I am spending more then ever.
I have not changed my reefkeeping habits.
I have reduced my livestock and drygood purchases.
I am postponing all purchases of all non-essential items.
I am quitting the hobby due to the economy.

[ Results | Polls ]
Votes : 4421
Featured Wallpaper
Support Us

If you find our resources helpful and worthwhile, please help support us with your generous contribution.

CafePress Item

Get your merchandise here, including t-shirts, mugs, mousepads, wall clocks, and even thongs!


Reefkeeping and Internet Abbreviations

Written by DBW. Reprinted with permission from

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

A: Amp

AAOLM: Advanced Aquarist Online Magazine, electronic magazine

AC: Activated carbon, chemical filtration media / alternating current

AC: Alternating current

AF: Aquarium Frontiers, online magazine

AFAIK: As far as I know

AFM: Aquarium Fish Monthly, magazine

AISI: As I see it

ALK: Alkalinity, measure of buffering capacity of water

AOL: America Online, internet service provider

ASAP: As soon as possible

ATS: Algae turf scrubber, reef setup technique

B4: Before

BOD: Biological oxygen demand

BR: Base rock

BTA: Bubble tip anemone

BTW: By the way

Ca: Calcium

CaCl2: Calcium chloride

CaCO3: Calcium carbonate

Ca(OH)2: Calcium hydroxide

CC: Counter current, type of protein skimmer

Cl: Chlorine

CO2: Carbon dioxide

CO3: Carbonate

CR: Calcium reactor

CSD: Carlson surge device

CTA: Cellulose triacetate, type of RO membrane

Cu: Copper

CUL: See you later / catch you later

CUL8R: See you later / catch you later

CYANO: Cyanobacteria

DC: Direct current

DD: Downdraft, type of protein skimmer

DI: Deionisation, type of water purification

DIY: Do it yourself

dKH: Degrees of carbonate hardness, measure of alkalinity

DO: Dissolve oxygen

DOC: Dissolved organic carbon

DSB: Deep sand bed

FAMA: Freshwater and Marine Aquaria, magazine

FAQ: Frequently ask question

Fe: Iron

FFE: Flying Fish Express, mail order company, United States

FO: Fish only, type of marine aquarium

FOWLR: Fish only with live rock, type of marine aquarium

FW: Freshwater

FWIW: For what its worth

FYI: For your information

FYM: For your misinformation

GAC: Granular activated carbon

GAL: Gallon

GBR: Great Barrier Reef

GPH: Gallons per hour

HCO3: Hydrogen carbonate

HO: High output fluorescent light

HAS: High speed aeration, type of proteins skimmer

HTH: Hope this/that helps

I: Iodide

I2: Iodine

ID: Indentify/indetification

IE: Internet Explorer, WWW browser

IM: In my

IMCO: In my considered opinion

IME: In my experience

IMEO: In my expert opinion

IMHO: In my humble/honest opinion

IMNSHO: In my not so humble/honest opinion

IMO: In my opinion

IO3: Iodate

IOW: In other words

IR: Infrared, type of light of longer wavelength than visible light

IRC: Internet relay chat

ISP: Internet service provider

KALK: Kalkwasser, German for calcium hydroxide solution or limewater

KI: Potassium iodide

KISS: Keep it simple stupid

kW: Kilowatt

L8R: Later

LFS: Local fish store

LHS: Local hardware store

LOL: Laughing out loud

LPH: Litres per hour

LPS: Large polyped Scleractinian (stoney) coral

LR: Live rock

LS: Live sand

LT: Liter

mA: Milliamp

MACNA: Marine Aquaria Conference of North America, held annually

MACO: Marine Aquaria Courses Online

MASA: Marine Aquarium Societies of Australia

MASNA: Marine Aquarium Society of North America

MEQ/L: Milli-equivalents per litre, measure of alkalinity

Mg: Magnesium

MG/L: Milligrams per litre

MH: Metal halide light

MO: Mail order

mV: Millivolt

MV: Mercury vapour light

mW: Milliwatt

Na: Sodium

NaCO3: Sodium carbonate

NaOH: Sodium hydroxide

NCM: North Coast Marine, mail order company, United States

NG: Usenet newsgroup

NH3: Ammonia

NH4: Ammonium

NNR: Natural nitrate reduction, reef setup technique

NO: Normal output fluorescent light

NO2: Nitrite

NO3: Nitrate

NP: No problem

NRN: No reply necessary

NS: Netscape, WWW browser

NSW: Natural seawater

O2: Oxygen

OBTW: Oh by the way

ORP: Oxidative redox potential

OTOH: On the other hand

PLS: Please

PC: Power compact fluorescent light

pH: Measure of the concentration of hydrogen ions, equal to -log[H+], <7 acidic, =7 neutral, >7 basic

PH: Powerhead, water pump

PO4: Phosphate

PPM: Parts per million, equivalent to mg/l (milligrams per litre)

PSI: Pounds per square inch

PVC: Poly vinyl chloride, used for piping / plumbing

RAG: Reef Aquarium Guide, website

RAMR: Usenet newsgroup rec.aquaria.marine.reefs

RC: Reef Central, website

RDO:, website

RO: Reverse osmosis, type of water purification

RO/DI: Reverse osmosis, followed by deionisation, type of water purification

ROFL: Rolling on the floor laughing

ROFLOL: Rolling on the floor laughing out loud

ROTFL: Rolling on the floor laughing

ROTFLMAO: Rolling on the floor laughing my ass off

ROTFLOL: Rolling on the floor laughing out loud

RTAW: Reefing the Australian Way, Australian discussion board

RTN: Rapid tissue neucrosis

RUGF: Reverse flow undergravel filter

SAL: Salinity

SD: Surge device

SG: Specific gravity

SHO: Super high output fluorescent light, equivalent to power compact fluorescent

Si: Silicon

SiO2: Silicon dioxide

SITD: Still in the dark

SO: Significant other

SPS: Small polyped Scleractinian (stoney) coral

Sr: Strontium

SW: Saltwater / seawater

TAT: Thiel Aqua Tech, mail order company, United States

TBS: Tampa Bay Saltwater, mail order company, United States

TDS: Total dissolved solids

TFC: Thin film composite, type of RO membrane

TFN: Thanks for nothing

TIA: Thanks in advance

TIC: Tongue in cheek

TMCRA: The modern coral reef aquarium, book by Alf Nilsen and Svien Fossa

TRA: The reef aquarium, book by Charles Delbeek and Julian Sprung

TTYL: Talk to you later

TWP: Tap Water Purifier from Aquatic Pharmaceuticals

UGF: Undergravel filter

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

V: Volts

VHO: Very high output fluorescent light

W: Watt

WMC: Western Marine Conference, United States

WWW: World wide web

WYSIWYG: What you see is what you get

YMMV: Your mileage may vary

<g>: Grin

<G>: Big grin

<s>: Smile

<S> : Big smile

:-) : Smile

;-) : Smirk

:-( : Sad

:-O : Surprise

Created by liquid
Last modified 2006-11-23 04:56