• ThePondGuy

Fish Health | The Basics On Preventing & Treating Illness

Updated: Dec 29, 2020

Posted on March 1, 2013 by thepondguy


Keep your pond clean and healthy by providing adequate filtration, aeration, and regularly cleaning and adding beneficial bacteria to the pond. When performing water changes use Pond and Fish Conditioner like Vanish Plus or Wipe Out to detoxify any chemical or heavy metal contaminants in the water as well as reduce fish stress and improve their slime coat which makes them less susceptible to disease.


If your fish still manage to fall under the weather the will almost always show some inconsistency in their behavior that will give you a clue as to what is going on. When fish are stressed or ill they will tend to be lethargic and less social, often just floating in one area away from your other fish. If they have anchor worm you will see them rubbing on rocks or the wall of the pond which is known as flashing. You can also visually inspect your fish for signs of illness. Deterioration of their fins, mouth or gills can indicate poor water quality or parasites. Look for loose or odd looking scale formations ands ores on the body of the fish.


There are three steps to follow to nurture your sick fish back to health:


1.Since most illness is due to stress or water quality in their environment you will want to provide some temporary relief from the source. Start by performing a 25% water change in the pond to get some fresh water into the system. If only a few fish seem to be affected you may also choose to set up an isolation tank and treat just the affected fish.


2.Identify the fish sickness based on their symptoms. Take pictures, examine the fish for and cuts, redness or inflammation in the gills and record their habits. Once you’ve identified the symptoms you can choose the next course of action which may involve additional medications or treatments.


3.Reevaluate your normal pond routines. Go back to see if there is anything you should change to prevent illness in the future. When dealing with sick fish it is always important to focus on preventing issues before they have a chance to ruin your ponding season so you can spend the majority of your season playing with your pets instead of playing doctor. What is the optimum water temperature for my pond, and when should I worry that it’s too hot?


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