Here ya go:
AFAIK = As far as I know
AISI =As I see it
ALK =Alkalinity, measure of buffering capacity of water
ATS =
Algae turf scrubber
B4 = Before
BOD = Biological oxygen demand
BTW = By the way
Ca = Calcium
CaCl2 = Calcium chloride
CaCO3 = Calcium carbonate
Ca(OH)2 = Calcium hydroxide
Cl = Chlorine
CO2 = Carbon dioxide
CO3 = Carbonate
CTA = Cellulose triacetate, type of RO membrane
Cu = Copper
CYANO = Cyanobacteria
DC = Direct current
DI = Deionisation, type of water purification
DIY = Do it yourself
dKH = Degrees of carbonate hardness, measure of alkalinity
DO = Dissolve oxygen
DSB = Deep Sand bed
FAQ = Frequently ask question
Fe = Iron
FFE = Flying Fish Express, mail order company
FO = Fish only, type of marine aquarium
FW = Freshwater
FWIW = For what its worth
FYI = For your information
GAL = Gallon
GPH = Gallons per hour
HCO3 = Bicarbonate. (actually -HCO3)
HTH = Hope this helps
IMCO = In my considered opinion
IME = In my experience
IMHO = In my humble/honest opinion
IMNSHO = In my not so humble/honest opinion
IMO = In my opinion
KALK = Kalkwasser, German for
calcium hydroxide solution or limewater
LFS = Local fish store
LOL = Laugh(ing) out loud
LPS = Large polyped Scleractinian (stoney) coral
LR = Live rock
MEQ/L = Milli-equivalents per litre, measure of alkalinity
Mg = Magnesium
MG/L = Milligrams per litre
MH = Metal halide light
MO = Mail order
Na = Sodium
Na2CO3 = sodium carbonate
NaHCO3 = sodium bicarbonate
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
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,[/b] =7 neutral, >7 basic
PO4 = Phosphate
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 ass off
ROTFLOL = Rolling on the floor laughing out loud
RTN = Rapid tissue neucrosis
SAL = Salinity
SG = Specific gravity
SHO = Super high output fluorescent light, equivalent to power compact fluorescent
Si = Silicon
SiO2 = Silicon dioxide
SITD = Still in the dark
SPS = Small polyped Scleractinian (stoney) coral
SW = Saltwater / seawater
TFC = Thin film composite, type of RO membrane
TFA = Tagged for archives
TIA = Thanks in advance
TTYL = Talk to you later
UGF = Undergravel filter
UV = Ultra violet, type of light of shorter wavelength than visible light
VHO = Very high output fluorescent light
W = Watts
WYSIWYG = What you see is what you get
I'm sure there's more.
Dick
