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Here is a list of the most common used acronyms/abbreviations in the world of Reefkeeping.
GENERAL
LFS - Local Fish Shop
LPS - Local Pet Shop depending on use in post/message
SW - Salt Water
NSW - Natural Sea Water
FW - Fresh Water
FO - Fish Only
FOWLR - Fish Only With Live Rock
LR - Live Rock
LS - Live Sand
BB - Bare Bottom tank
DSB - Deep Sand Bed
SSB - Shallow Sand Bed
RO - Reverse Osmosis water
RO/DI - Reverse Osmosis/De-Ionized water
CC - Crushed Coral
GAC - Granulate Activated Carbon
UNITS OF MEASUREMENT
SG - Specific Gravity/Salinity
PH - Alkalinity or Acidity of water
DKH/KH - German Degrees of Carbonate Hardness
CA - Calcium
NO3 - Nitrate
PO4 ? Phosphate
NH3 - Ammonia
NH4 ? Ammonium
MG - Magnessium
PPM - Parts per Million
PPT - Parts per Thousand
V - volts
W - watts
TDS - Total Dissolved Solids
ORP - Oxygen Reduction Potential
LIGHTING
NO - Normal Output fluorescent lamp
T5 - Fluorescent Tube 5/8 of an inch in diameter
T8 - Fluorescent Tube 8/8 of an inch in diameter
MH - Metal Halide lighting
DE - Double Ended metal halide bulb
SE - Single Ended metal halide bulb
K - Kelvin rating
PAR - Photosynthetically Available Radiation - useful light to coral
VHO - Very High Output fluorescent lamp
PC - Power Compact fluorescent lamp
FLOW
GPH/gph - Gallons Per Hour
LPH/lph - Litres Per Hour
LIVESTOCK RELATED
LPS - Large Polyped Stony corals
SPS - Small Polyped Stony corals
BTA - Bubble Tip Anemone
RTBA - Red/Rose Bubble Tip Anemone
CBS - Coral Banded Shrimp
CBB - Copper Band Butterfly fish
PB - Powder Blue Tang
HLLE - Head and Lateral Line Erosion - fish disease
RTN - Rapid Tissue Necrosis - coral disease
GENERAL
LFS - Local Fish Shop
LPS - Local Pet Shop depending on use in post/message
SW - Salt Water
NSW - Natural Sea Water
FW - Fresh Water
FO - Fish Only
FOWLR - Fish Only With Live Rock
LR - Live Rock
LS - Live Sand
BB - Bare Bottom tank
DSB - Deep Sand Bed
SSB - Shallow Sand Bed
RO - Reverse Osmosis water
RO/DI - Reverse Osmosis/De-Ionized water
CC - Crushed Coral
GAC - Granulate Activated Carbon
UNITS OF MEASUREMENT
SG - Specific Gravity/Salinity
PH - Alkalinity or Acidity of water
DKH/KH - German Degrees of Carbonate Hardness
CA - Calcium
NO3 - Nitrate
PO4 ? Phosphate
NH3 - Ammonia
NH4 ? Ammonium
MG - Magnessium
PPM - Parts per Million
PPT - Parts per Thousand
V - volts
W - watts
TDS - Total Dissolved Solids
ORP - Oxygen Reduction Potential
LIGHTING
NO - Normal Output fluorescent lamp
T5 - Fluorescent Tube 5/8 of an inch in diameter
T8 - Fluorescent Tube 8/8 of an inch in diameter
MH - Metal Halide lighting
DE - Double Ended metal halide bulb
SE - Single Ended metal halide bulb
K - Kelvin rating
PAR - Photosynthetically Available Radiation - useful light to coral
VHO - Very High Output fluorescent lamp
PC - Power Compact fluorescent lamp
FLOW
GPH/gph - Gallons Per Hour
LPH/lph - Litres Per Hour
LIVESTOCK RELATED
LPS - Large Polyped Stony corals
SPS - Small Polyped Stony corals
BTA - Bubble Tip Anemone
RTBA - Red/Rose Bubble Tip Anemone
CBS - Coral Banded Shrimp
CBB - Copper Band Butterfly fish
PB - Powder Blue Tang
HLLE - Head and Lateral Line Erosion - fish disease
RTN - Rapid Tissue Necrosis - coral disease
