Frequently asked questions

Pond Freshwater Fish

Can I keep aquarium fish in a pond during summer?

Hello, plants growing up to the surface (floating plants and/or plants that reach the surface) should be present especially near the banks as to provide shelter (also from birds!). ...

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Freshwater Pond Fish

How can I hibernate goldfish living in a pond indoors?

Hello, goldfish can hibernate in cold (4 - 6°C / 39 - 43 °F) water (in that case do not feed nor disturb them) Usually, temperatures inside the house (including the basement) are...

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Pond Freshwater Diseases

Severe infection of goldfish

Hello, this sounds like a severe parasitic infection, which is mostly caused/triggered by water problems (e.g. organic pollutants, nitrite). However, a proper diagnosis is,...

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Pond Care

Total hardness for keeping Koi

Hello, no, not at all. The common pond fish (Koi, goldfish, orfes, sturgeons etc.) can also be kept in hard water without any problems. A connection between hardness and coloration...

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Pond Diseases

Treating fin rot in a Koi

Hello, sera pond cyprinopur is suitable in this case, if it is only a bacterial infection. Good water hygiene is also very important. The treatment can be carried out directly in...

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