Getting a goldfish Pond
Goldfish ponds are a beautiful addition to any garden and a
stunning focal point. Goldfish ponds have been admired in Asia
for centuries, especially in China and Japan. Today, you will
find goldfish ponds all over the world, including Europe and
North America. Since the Goldfish hails from a wild carp that
can live in cold water, the Goldfish will survive outdoors
during the winter even in colder parts of the world. In some
regions it is however advisable to house your fish indoors
during the roughest months since it can suffocate in a pond if
the ice freezes across the entire surface.
Goldfish can be kept in ponds as well as in aboveground pools.
It is recommended to plant your pond/pool since goldfish will
feel much safer in a planted environment. It will also be able
to hide among the plants in order to avoid predators. A lot of
animals like to chase and eat goldfish, including cats, birds
and raccoons. Sometimes plants are not enough to guard your fish
and you will be forced to cover the pond with netting during the
night. In an above ground pool with straight sides, the
predators will be unable to wade in and must instead perch
themselves at the edge of the pool when looking for prey. This
will usually be noticed by your Goldfish and it can seek shelter
deep down in the pool.
A planted goldfish pond is easier to maintain since the plants
will aid you in keeping up the water quality. Live plants can
use organic compounds excreted by fish as nutrition. This means
that the organic waste will be absorbed by the plant instead of
staying in the water and polluting it. Live plants will also
inhibit algae growth since plants and algae compete for the same
nutrients. If you still experience excess algae growth, you
might be feeding your Goldfish too much. If you feed your fish a
lot of food, they will subsequently produce a lot of waste and
there will be plenty of nutrients for plants as well as algae in
the water. Some algae are a natural part of any pond or
aquarium, but excessive algae growth should be counteracted
since it is unhealthy for the fish. Keep in mind that if you use
a chemical to kill the algae, or if an algaecide is involuntary
introduced to the pond, the dead and decaying algae will use up
a lot of oxygen and your Goldfish might suffocate and die. Using
natural methods to combat algae, such as plants, is therefore
recommended.
When you have filled your Goldfish pond you should treat the
water with a water conditioner if you use tap water containing
chlorine and/or ammonia to fill your pond. Check that the water
temperature in the pond is at least 60 o F before you add any
fish. A common beginner mistake is to add all the Goldfish
simultaneously to their new home. This will cause a rapid change
in water quality since the bacterial colonies that inhabit the
pond are too small to process the sudden increase in organic
waste. Instead, you should ideally add one or two fish and allow
the bacterial colonies to grow larger before you add any new
fish. This will naturally also depend on the size of your pond
and if you are using any type of filtration. In a large pond,
excess waste will be dilute by a very large amount of water and
therefore less likely to reach concentrations high enough to
harm you fish. Good filtration will also help removing organic
waste and other toxins from the water.
So, how much Goldfish can I fill my pond with? As a rule of
thumb, one Goldfish per 30 gallons is recommended, but this is
naturally a very imprecise ratio. As mentioned earlier, the
water quality is one of the limiting factors. Plenty of water,
developed bacterial colonies and good filtration will make it
possible for you to house a larger number of Goldfish. There are
three basic types of filtration: biological, mechanical and
chemical. Biological filtration will be taken care of by the
mentioned bacterial colonies. A mechanical filter will filter
the water through some form of filtering media where larger
debris will get caught. The most common form of chemical
filtration is the addition of carbon to the mechanical filter,
where the carbon will bind various types of toxins. Another
important factor to keep in mind when you decide how much fish
you wish to add to your pond is aeration. Fish require air to
breath and will suffocate in a poorly aerated pond, especially
if decaying plant matter consumes a lot of the dissolved oxygen.
In an open pond, there will however be a considerable gas
exchange between the water and the surrounding air. The larger
the surface area of your pond, the more oxygen will be brought
to the water. A large surface area will also make it easier for
the water to release carbon dioxide. Plants in the pond will
also produce oxygen and consume carbon dioxide. In some ponds,
this will however not be enough and if you want to be able to
house a large number of Goldfish some type of aeration is
recommended.