Koi care collection
A growing library of clear, useful guides about koi fish diseases.
Koi fish are a type of carp that are popular in both ornamental ponds and in aquariums. They are known for their brightly colored scales and their calm demeanor. For more pond-care guidance, read How Can I Improve The Quality Of My Pond Water? and review MSD Veterinary Manual:…
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A koi bath is a type of saltwater bath used to clean and maintain the health of koi fish. There are many different types of salt that can be used for a koi bath, but the most common and effective type is Epsom salt. For more pond-care guidance, read Do Fish Heal Themselves? and…
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Adding beneficial bacteria to your tank is an important part of keeping your fish healthy and your tank clean. There are a few different ways to add beneficial bacteria to your tank, and the frequency with which you should do so will depend on the size of your tank and the…
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Fin rot and fin damage are both common problems that can affect fish. Fin rot is a bacterial infection that can cause the fins to deteriorate and eventually fall off. For more pond-care guidance, read How Did My Fish Get Ick? and review MSD Veterinary Manual: Fish diseases.
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Fin rot is a common ailment that can affect both freshwater and saltwater fish. The main symptom of fin rot is the deterioration of the fish's fins, which can range from a small amount of fraying to complete disintegration. For more pond-care guidance, read Why Do Fish Go Crazy…
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No, a fish cannot survive in milk. Fish need water to breathe and milk does not contain any water. For more pond-care guidance, read How Do I Get Rid Of Brown Water In My Koi Pond? and review MSD Veterinary Manual: Fish diseases.
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Erythromycin is an antibiotic that is used to treat bacterial infections. It is available in a variety of forms, including tablets, capsules, and ointments. For more pond-care guidance, read Why Does My Fish Have Poop Hanging From It? and review MSD Veterinary Manual: Fish…
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There are a few reasons why your fish may be staying at the bottom of your pond. It could be that the pond is too cold, the fish are sick, or there is not enough food. For more pond-care guidance, read Can I Use A Utility Pump For A Pond? and review MSD Veterinary Manual: Fish…
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Chlorine is a common chemical used in pools and hot tubs to disinfect the water and kill bacteria. It is also used in some public drinking water systems. For more pond-care guidance, read Do Koi Change Color As They Grow? and review MSD Veterinary Manual: Fish diseases.
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Vinegar is a household staple with a variety of uses, but you may wonder if it’s safe to use around your fish. After all, vinegar is an acid, and fish are sensitive to changes in pH. For more pond-care guidance, read Why Are My Koi On The Surface? and review MSD Veterinary…
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Ich, or white spot disease, is a common parasitic infection in freshwater aquarium fish. It is caused by the ciliate protozoan Ichthyophthirius multifiliis. For more pond-care guidance, read Can Koi Eat Caterpillars? and review MSD Veterinary Manual: Fish diseases.
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There are a few reasons why your fish might be swimming head down. One possibility is that the fish is sick or injured. For more pond-care guidance, read Where Are Koi Fish Mostly Found? and review MSD Veterinary Manual: Fish diseases.
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