Tetras: White Spots and Fin Rot
Q: I have a total of forty tetras and all have white spot and their fin rot. What is the remedy? Should the same disease returns after recovery, do I change the water immediately or just add medicine?
White spots is a very common infection, once in many moon, any aquarists would experience this situation. Basically, white spots or ich are the result of a parasite protozoan infection. These parasites burrow into the skin of the fishes and feed off them. The body and fins of the infected fish are covered in white spots that very much resemble fine salt grains. Whit spots multiply fast and can infect a whole tank in no time. Fin rot is the result of a secondary bacterial infection on the already damaged fins. Read this article on what you need to know about Ich.
There are many proprietary medications such as Kick-ich and Ick Clear that kill the parasites for a quicker recovery, do a partial water change first before adding medication to get rid of as many parasites as possible. For further explanation, read this article on how to prevent and treat Ich without killing the fish.
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