Those white spots on your fish could be caused by 1 of 3 different parasites!
And all 3 have different treatments…add that to the short time it can take for fish to be fatally affected… this means you really need to know what you are doing.
If you follow all my saltwater aquarium advice so far you will have the best possible chance of a disease free tank. Keeping your water quality optimal with regular testing, minimizing stress to your marine life and quarantining all new arrivals/sick fish are all key to a perpetually disease-free aquarium.
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How do we get rid of Ich (a.k.a. white spot disease, velvet, marine ich, coral fish disease etc)?
One of the most common illnesses to befall captive marine fish is Saltwater Ich. But Ich, Clownfish disease and Velvet are all commonly confused and these terms are often used interchangeably, they are all whitespot diseases, but they are caused by different parasites.
These parasites will show up as white spots or dust especially at eyes, mouth and where the fins join the body. The fish will also be breathing rapidly too which is another major sign of the disease.
Defense is the best offense: quarantine
The best way is to prevent disease occurring in the first place by placing your fish in quarantine for 4 weeks or so when you bring them home from the LFS as they may have the parasite and the symptoms have yet to show up.
When you first bring a fish home is the most common time you will see Ich breakout ;as the stress of capture and acclimation will often lower the immune system making the fish more susceptible to diseases.
Also when you see the tell tale symptoms of Ich in your display tank, quarantining will stop disease from spreading to other fish too.