Koi care collection
A growing library of clear, useful guides about koi fish.
Bacteria are essential for the health of fish in aquariums and ponds. However, too much bacteria can cause problems for fish. For more pond-care guidance, read Is Purified Water Good For Koi Fish? and review MSD Veterinary Manual: Fish diseases.
Read guide
Gulping at the surface is a common behavior among fish, and there are a few reasons why they might do it. One possibility is that the fish is trying to get more oxygen from the water. For more pond-care guidance, read Do Koi Like Current? and review MSD Veterinary Manual: Fish…
Read guide
Aquarium fish may swim upside down after a water change for a variety of reasons. The most common reason is that the fish are experiencing stress from the change in water conditions. For more pond-care guidance, read Are Epsom Salts And Bicarbonate Of Soda The Same Thing? and…
Read guide
A fish's respiration rate is determined by the amount of oxygen in the water. When a water change is made, the oxygen levels in the water can change, which can cause the fish to breathe faster. For more pond-care guidance, read Can You Put Too Much Bacteria In Fish Tank? and…
Read guide
Epsom salt is a type of salt that has many uses, including in baking. It is also known as magnesium sulfate. For more pond-care guidance, read Should I Put Sand In My Fish Tank? and review MSD Veterinary Manual: Fish diseases.
Read guide
Swim bladder disease is a condition that can affect koi fish. The swim bladder is a sac that helps the fish to maintain buoyancy. For more pond-care guidance, read Do Fishes Need Air? and review MSD Veterinary Manual: Fish diseases.
Read guide
A koi bath is a type of saltwater bath used to clean and disinfect koi fish. The amount of salt used in a koi bath varies depending on the size of the koi and the size of the bath, but is typically around 1 cup of salt per gallon of water. For more pond-care guidance, read Does…
Read guide
Koi fish are a species of carp and are popular in both indoor and outdoor ponds. They are known for their long lifespans, with some koi living for over 200 years. For more pond-care guidance, read Can Bass And Koi Live Together? and review MSD Veterinary Manual: Fish diseases.
Read guide
Adding new fish to an established aquarium can be a delicate process, and many aquarium owners turn to Melafix to help ease the transition. But can Melafix really be used in this way? Let's take a closer look. For more pond-care guidance, read Are Black Koi Fish Good Luck? and…
Read guide
Koi are a popular type of ornamental fish that are often kept in outdoor ponds. They are a member of the carp family and are native to East Asia. For more pond-care guidance, read What Does A Dragon Koi Fish Look Like? and review MSD Veterinary Manual: Fish diseases.
Read guide
Erythromycin is an antibiotic that is used to treat a variety of infections in fish. It is effective against a wide range of bacteria, including those that cause respiratory infections, skin infections, and gastrointestinal infections. For more pond-care guidance, read Can I…
Read guide
Koi are a species of fish that are popular in both ornamental ponds and aquariums. They are often brightly colored and have a calm demeanor, which makes them a popular choice for many people. For more pond-care guidance, read Is It Ok To Pet Koi Fish? and review MSD Veterinary…
Read guide