Search: Sea Salt Test Kit Water Treat     Product： AmmoniaTest Kit Sort： Test Kit Content： As the major excreta of the fish,ammonia often found in fish-culturing water.It includes non-ionized ammonia(NH3)and ammonium(NH4+).No-ionized ammonia is toxic to fish and other organisms.It can do harm to the fishers cheek tissue and reduce the activity of transporting and adsorbing oxygen of cheek blood.Although ammonium is non-toxic,it can change into non-ionized ammonia in certain conditions.High content ammonia in aquarium makes fish bad taste and grow slowly,So it is important to control the concentration of ammonia in low level(below 0.25mg/l ammonia).