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| Commonly used abbreviations on Aquarium Advice |
| 03 - sometimes used for actinic lighting AC - Activated carbon, chemical filtration media / alternating current acro - Acropora, a type of SPS coral AFAIK - As far as I know AFM - Aquarium Fish Monthly, magazine AISI - As I see it ALK - Alkalinity, measure of buffering capacity of water ASAP - As soon as possible BTW - By the way Ca - Calcium CaCl2 - Calcium chloride CaCO3 - Calcium carbonate Ca(OH)2 - Calcium hydroxide CC - Crushed Coral Cl - Chlorine CO2 - Carbon dioxide CO3 - Carbonate cuke - Sea cucumber, typically the sand sifting variety 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 DOC - Dissolved organic carbon FAQ - Frequently ask question Fe - Iron FO -Fish only, type of marine aquarium FOWLR - Fish Only with Live Rock frag(s) - Broken or cut pieces of coral which will eventually grow into a new animal FW - Freshwater FWIW - For what its worth FYI - For your information GAL - Gallon GPH - Gallons per hour HCO3 - Hydrogen carbonate HD - Home Depot (home improvement store) HO - High output fluorescent light HOB - Hang on back HOT - Hang On Tank HSA - High speed aeration, type of proteins skimmer HTH - Hope this helps I - Iodide (or just plan I) IIRC= if i recall correctly I2 - Iodine ID - Identify IMO - In my opinion IO3 - Iodate JMO - just my opinion K - kelvin (mechanism for measuring spectrum of lighting) KALK - Kalkwasser, German for calcium hydroxide solution or limewater KI - Potassium iodide LFS - Local fish store LHS - Local hardware store LOL -Laughing out loud LPS -Large polyped Scleractinian (stony) coral LR -Live rock LS - Live Sand LT - Litre macro - macroalgae MEQ/L - Milli-equivalents per litre, measure of alkalinity Mg - Magnesium MG/L - Milligrams per litre MH - Metal halide light micro - microalgae MO - Mail 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 NSW - Natural seawater O2 - Oxygen OP - original poster PC - Power compact fluorescent light pH - Measure of the concentration of hydrogen ions PH - Powerhead, water pump PO4 - Phosohate pods - Non-specific types of copepods, amphipods and such. PPM - Parts per million, equivalent to mg/l (milligrams per litre) PM - private message PVC - Poly vinyl chloride, used for piping / plumbing PWC = partial water change 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 ROTFLMAO - Rolling on the floor laughing my *** off RTN - Rapid tissue necrosis RUGF -Reverse flow undergravel filter SG - Specific gravity shrooms - Mushrooms Si -Silicon SiO2 - Silicon dioxide SPS - Small polyped Scleractinian (stony) coral Sr - Strontium SW - Saltwater / seawater TIA - Thanks in Advance UGF - Under gravel filter UV - Ultra violet, type of light of shorter wavelength than visible light UVS - Ultra violet Sterilizer (a unit used by saltwater and freshwater hobbiests to 'zap' parasites and bacteria from the water) VHO - Very high output fluorescent light W - Watts WC - water change WPG - watts per gallon WYSIWYG - What you see is what you get |