Is it safe to put catfish and eel (from a fish tank environment) in garden pond?
The garden pond has 3 Koi, minnards and 3 frogs.
It depends where you are. Florida is often safe except in the coldest months. Also, it depends if the pool is heated. The water has to stay above 65 degrees for most species. If the pond is protected or has a deep end, that can help keep them in longer, but chances are if you want them to survive you'll have to remove them around the end of September. PS-You'll find they've grown a lot by then.
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Garden Koi Pond
Article Referencing Garden Koi Pond
The shape of the pond floor is an equally important part of the design. Modern koi ponds take the dirty water from the lowest point of the pond through a bottom drain. These are available in many shapes and sizes, and range from modified flat roof outlets to purpose built high pressure units fitted with domes.
The domes are designed to create a pull of water from a wide area of the pond bottom. To get the best from these drains, design the pond floor carefully. A pond may have a flat bottom that will rely wholly on the pull of the bottom drain to keep it clean.
Others have some form of sloped benching between the walls and the drain. Any benching needs to be quite steep so that the circulation of water encourages any settled waste to roll towards the drain, suspended waste are carried to the drain by its pull.
As an alga is likely to colonize the walls and bottom of the pond, you will have to sweep the pond from time to time to help keep the water clear. If you do this regularly, it will minimize the amount of waste that can accumulate.
A recent development is the air dome, which sits on, or is built into, the bottom drain cover. The column of air that it produces helps ensure that the majority of solids are pulled into the drain before settling out.
This reduces the pond floor maintenance load. As water is taken from the bottom of the pond, it travels along pipes to the filter system. Some of the solid waste, such as fish faces, uneaten food, and dead and dying algae, will inevitably settle out in the pipe work.
You will there fore need some form of built in purge facility to keep the pipes clean.
The author has been writing articles online for several years.
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