Koi care collection

Koi Water Treatment

A growing library of clear, useful guides about koi water treatment.

Can You Use Filtered Water In A Fish Tank?
Koi FishJun 29, 2022

Can You Use Filtered Water In A Fish Tank?

It is generally recommended that filtered water be used in fish tanks in order to provide the best water quality for the fish. Filtered water can help to remove impurities and contaminants from the water, which can be harmful to fish. For more pond-care guidance, read Can You…

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Can I Just Add Tap Water To My Fish Tank?
Koi FishJun 29, 2022

Can You Add Tap Water Directly to a Fish Tank?

Adding tap water to a fish tank is a common practice among fishkeepers. However, there are a few things to keep in mind when doing so. For more pond-care guidance, read Can I Have A Pond Without A Filter? and review MSD Veterinary Manual: Fish nutrition.

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Does Boiling Water Remove Chlorine?
Koi FishJun 29, 2022

Does Boiling Water Remove Chlorine?

Chlorine is a chemical element with the symbol Cl and atomic number 17. It is a halogen, found in the periodic table in group 17. Chlorine is a yellow-green gas at room temperature and standard pressure. It is an extremely reactive element and a strong oxidizing agent: among…

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What Kills Fish In Tap Water?
Koi FishJun 29, 2022

What Kills Fish In Tap Water?

Fish in tap water can die for a number of reasons. The most common cause of death is due to the presence of chlorine in the water. For more pond-care guidance, read Can You Keep Koi Without A Filter? and review MSD Veterinary Manual: Fish nutrition.

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Are Lava Rocks Good For Koi Ponds?
Koi FishJun 29, 2022

Are Lava Rocks Good For Koi Ponds?

Lava rocks are a type of igneous rock that forms when molten lava cools and solidifies. They are a popular choice for use in koi ponds because of their porous nature, which allows them to absorb and release water. For more pond-care guidance, read Can I Feed My Koi Fish Cat…

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Do You Need A Filter If You Have A Skimmer?
Koi FishJun 29, 2022

Do You Need A Filter If You Have A Skimmer?

A skimmer is a device used to remove oil and other contaminants from water. A filter is a device used to remove impurities from air, water, or other fluids. For more pond-care guidance, read Are There Brown Koi Fish? and review MSD Veterinary Manual: Fish nutrition.

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Where Should I Position My Pond Pump?
Koi FishJun 29, 2022

Where Should I Position My Pond Pump?

A pond pump is a mechanical device that is used to circulate water in a pond. There are many factors to consider when determining where to position a pond pump, such as the size of the pond, the type of pump, and the desired flow rate. For more pond-care guidance, read How Do…

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Can I Use A Pool Filter For My Koi Pond?
Koi FishJun 29, 2022

Can I Use A Pool Filter For My Koi Pond?

A koi pond is a type of water garden that is designed to house and maintain koi fish. Koi ponds are typically deeper than other types of ponds and have a filtration system to keep the water clean. For more pond-care guidance, read Do Birds Eat Pond Fish? and review MSD…

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Can You Use Play Sand In A Pond?
Koi FishJun 29, 2022

Can You Use Play Sand In A Pond?

Play sand is a type of sand that is often used in playgrounds. It is also sometimes used in sandboxes. For more pond-care guidance, read How Do I Get Rid Of Algae In My Pond Without Harming Fish? and review MSD Veterinary Manual: Fish nutrition.

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What Ph Should A Koi Pond Be?
Koi FishJun 29, 2022

What Ph Should A Koi Pond Be?

A koi pond is a type of ornamental fish pond that is typically used to house Japanese koi carp. Koi carp are a type of domesticated fish that are popular for their bright colors and patterns. For more pond-care guidance, read Is Chicken Good Fish Bait? and review MSD Veterinary…

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Can I Use Water Softener Salt In My Koi Pond?
Koi FishJun 29, 2022

Can You Use Water-Softener Salt in a Koi Pond?

Water softener salt is a type of salt that is often used to soften water. It is made up of sodium chloride and other minerals, and is available in both granular and pellet form. For more pond-care guidance, read Can I Add Hose Water To My Koi Pond? and review MSD Veterinary…

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When Should I Add Salt To My Pond?
Koi FishJun 29, 2022

When Should I Add Salt To My Pond?

Adding salt to a pond is a common practice among pond owners and is often done to help control algae growth. There are, however, a few things to consider before adding salt to a pond. For more pond-care guidance, read Why Do Fish Like To Eat Earthworms? and review MSD…

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