Is Rainwater Good For Koi?
Rain is part of normal pond life, but its effect on koi depends on storm intensity, runoff, water temperature, pond turnover, and what enters with the water.
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Koi Fish
A growing library of clear, useful guides about koi fish.
Can I Put My Fish In Bottled Water?
No, you cannot put your fish in bottled water. Bottled water does not have the necessary dissolved minerals and other chemicals that fish need to survive. For more pond-care guidance, read Does Walmart Sell Fish Amoxicillin? and review MSD Veterinary Manual: Fish nutrition.
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What Should I Put In New Pond Water?
Put only what the new pond water actually needs: a conditioner for municipal disinfectants when required, then oxygen, filtration, testing, and time for biological filtration to develop.
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How Long Does It Take To Cycle A Koi Pond?
There is no reliable calendar date for cycling a koi pond. Use ammonia and nitrite tests to confirm that the biological filter can handle the pond’s actual load.
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How Long Will New Pond Syndrome Last?
New pond syndrome lasts until the pond’s biological filtration is reliably handling its waste load. Test ammonia and nitrite rather than waiting for a preset date.
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Can You Add Too Much Bacteria To A Koi Pond?
More bacterial product is not a substitute for a stable koi pond. Follow the label, avoid stacking products, and judge the biofilter by water tests and fish response.
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What Does Barley Straw Do For A Pond?
Barley straw is a common pond treatment for algae control. It is an effective, natural way to keep your pond clean and clear. For more pond-care guidance, read How Do You Euthanize Koi With Clove Oil? and review MSD Veterinary Manual: Fish nutrition.
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Can I Put Chlorine Tablets In My Pond?
Chlorine tablets are a common and effective way to sanitize pond water. They are often used in swimming pools to kill bacteria and algae, and can be just as effective in ponds. For more pond-care guidance, read How Much Salt Do You Put In A Koi Bath? and review MSD Veterinary…
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How Do I Get Rid Of Algae In My Pond Without Harming Fish?
Algae are a common problem in ponds, and can be difficult to get rid of without harming fish. There are a few methods that can be used to get rid of algae, but it is important to be careful so that the fish are not harmed. For more pond-care guidance, read How Long Should A…
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How Do I Control Algae In My Koi Pond?
Algae are a common problem in koi ponds, and there are a few different ways to control them. One way is to physically remove the algae from the pond using a net or brush. For more pond-care guidance, read Can You Use Iodine To Treat Fish? and review MSD Veterinary Manual: Fish…
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Can I Use Store Bought Hydrogen Peroxide For My Pond?
Hydrogen peroxide is a popular household chemical that has a variety of uses, including as a disinfectant. It is also sometimes used in ponds as a way to control algae growth. For more pond-care guidance, read Why Does My Fish Have Long Poop? and review MSD Veterinary Manual:…
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How Long Should Tap Water Sit To Remove Chlorine For Fish?
Chlorine is a common disinfectant that is added to public water supplies to kill harmful bacteria. Although chlorine is safe for human consumption, it can be harmful to fish. For more pond-care guidance, read What Do I Need For A Healthy Koi Pond? and review MSD Veterinary…
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