November 17, 2005

Today's Pond Q&A

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Today's Pond Q&A

In this issue:

- WHITE TUFTS ON MY KOI - WHAT IS IT?

- DE-ICERS - HOW DO THEY WORK?
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Question>

I have a question. I did not know if you answer questions from
customers on the Today's Pond Q&A. If so, please consider this
question. I have tried to find information online regarding the
question, but nothing seems to fit my situation.

I have a 800 gallon pond. In the pond I have goldfish and two
koi. This is my second year attending to the pond, and the fish
have all been in the pond for the full two years. They have been
very healthy. I have lost no fish in the two years, water is
clear (treated with barley and chemicals (safe for fish and
plants), and the pond has a good filter system that keeps algae
at bay. We let the pond winter over; however we keep the fall
running to keep a hole and oxygen in the pond. In the spring,
the fish show up healthy and hungry. We just finished their carb
load because the water temp is approaching th 50 degree mark and
we are preparing for another winter.

My question is:

Early this fall we noticed that the two koi have white warty
looking growths on their bodies. One has three on its tail and
the other has them down its back and on its tail. They appear to
be healthy. They eat and swim normally. None of the goldfish
have the warts.

I am very worried that the warts my hinder the koi's health. I
tried to find pictures on the Internet of what these warty things
might be; however nothing looks like what they have. I've looked
at ick pictures, ulcers, and numerous other skin
problems---nothing is like the white warts. I read that you can
put salt in the pond and that this could help---so I did that two
weeks ago, but I notice no changes in the warts. Do you have any
idea what they are and how I could treat them? I want them to be
very health as winter approaches, and I am worried that this
condition might hinder their survival.

Thanks for any information you can give me,

- Kathy Slaven

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Answer>

Hi, Kathy,

What you are seeing is most likely Carp Pox. It is not life
threatening and only appears when the water turns cold. It will
go away again next summer. It is exactly what you described.
There is no cure, but like I said, the fish are not in danger.
It can be spread from fish to fish on contact. It is a virus.

-Carolyn

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Question>

Explain to me about de-icer and why it would not kill the fish
and what type,etc. I have a 10,000 gallon, 17 X 17 round with a
fountain in the middle. Last winter our fish we used a heater
and kept the filter (biologic) running. The fish survived and
this spring we had at least 5 new ones. Our only problem was
one of the connection from the pond to the outside filter
failed and sprung a minor leak. While Philadelphia area is cold
it is not as cold as Michigan.

Thanks

- Bill and Jackie Wilson

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Answer>

Hi, Bill and Jackie,

A de-icer is something which floats on the surface for the water
and keeps the water from freezing, but is not meant to actually
raise the temperature of the water. There are several types and
different wattages. I prefer the 1,000 watt variety to the 100
watt, simply because the 100 watt is not strong enough to re-open
a hole in the ice should a power outage occur. It can only
maintain a small opening. The 1,000 watt comes in blue, red or
green and should be installed with a protective ring to keep it
from sitting right on the liner. If used in conjunction with a
circulating pump over the winter months, it is important to place
it above the pump for reasons I do not entirely understand.
MacArthur Water Gardens sells de-icers on the website at
www.macarthurwatergardens.com

- Carolyn

==
Happy Pondkeeping!

MacArthur Water Gardens
www.macarthurwatergardens.com

MacArthur Water Gardens
PO Box 3628
Alpharetta, GA 30023-3628

Posted by bfogle at November 17, 2005 02:06 PM
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