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Know everything about ammonia in BioFloc. There are two forms of ammonia found in water, one is ammonium ion i.e, NH4+ and the other is ammonia that is NH3 our of which NH3 is very dangerous for your fish. If non ionised ammonia that is NH3 is more than 0.05 ppm then it will start damaging gills of your fishes and will cause stress also and finally fishes may die. So it's very important to know unionised ammonia level in your culture tank. Most of the commercial ammonia testing kit measure what is called TAN or total ammonia nitrogen level in water. For measuring unionised ammonia you also need to know water temperature and pH. Unionised ammonia is directionally proportional to increase in pH and temperature. Once you obtain these values then you have to multiply TAN value with multiplication factor obtained from ammonia table. This will give you unionised ammonia value.
This video also teaches you how to respond to high unionised ammonia.
BioFloc fish farming