Many Common abbreviations
AC - Activated carbon, chemical filtration media / alternating current
AIM - America-On-Line Instant Messenger service
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
BRB Be Right Back
BTW By the way
Ca Calcium
CaCl2 Calcium chloride
CaCO3 Calcium carbonate
Ca(OH)2 Calcium hydroxide
CC Counter current, type of protein skimmer
CC Crushed Coral
Cl Chlorine
CO2 Carbon dioxide
CO3 Carbonate
Cu Copper
CUC Cleanup Crew
CULSee 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/compounds
DT Display tank (your main or show tank)
FAMA Freshwater and Marine Aquaria, magazine
FAQ Frequently ask question
Fe Iron
FO Fish only, type of marine aquarium
FTS Full Tank Shot, picture of your whole tank
FUGE Shorthand for Refugium a tank designed to propagate copepods for live food and macroalgae for nutrient export.
FW Freshwater
FWIW For what its worth
FYI For your information
FYM For your misinformation
GAL Gallon
GPH Gallons per hour
HCO3 Hydrogen carbonate
HO High output fluorescent light
HSA High speed aeration, type of proteins skimmer
HTH Hope this helps
I Iodide
I2 Iodine
ID Indentify
IDDI I Didn't Do It, usually used by Steve. lol
IE Internet Explorer, WWW browser
IIRC If I Recall/Remember Correctly
IM Internet message-AIM,Trillion, Yahoo Messenger, MS messenger
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
JM2C Just My 2 Cents
JM2CW Just My 2 Cents Worth
KALK Kalkwasser, German for calcium hydroxide solution or limewater
KI Potassium iodide
KISS Keep it simple stupid
L8R Later
LFS Local fish store
LHS Local hardware store
LOL Laughing out loud
LPS Large polyped Scleractinian (stoney) coral
LR Live rock
LT Litre
MACNA Marine Aquaria Conference of North America, held annually
MEQ/L Milli-equivalents per litre, measure of alkalinity
Mg Magnesium
MG/L Milligrams per litre
MH Metal halide light
MO Mail order / Money Order
Na Sodium
NaCO3 Sodium carbonate
NaOH Sodium hydroxide
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
NUKE To wipeout a tank and/or it's inhabitants in any fashion
NW Needle Wheel
O2 Oxygen
OBTW Oh by the way
OMG Oh My God
ORP Oxidative redox potential
OTOH On the other hand
PAR Photosynthetic Active Radiation
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
PM Private Message
PPM Parts per million, equivalent to mg/l (milligrams per litre)
PVC Poly vinyl chloride, used for piping / plumbing
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 *** off
ROTFLOL Rolling on the floor laughing out loud
RTN Rapid tissue neucrosis
RUGF Reverse flow undergravel filter
SAL Salinity
SG Specific gravity
SHO / T5 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
SUMP An aquarium hooked in the main tank to hold heaters, chillers and other equipment to help clean up the look of the display tank.
SW Saltwater / seawater
TIA Thanks in advance
TIC Tongue in cheek
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
VHO Very high output fluorescent light
W Watts
WMC Western Marine Conference, United States
WWW World wide web
WYSIWYG What you see is what you get
and
TTFN Ta Ta For Now