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Old 07-09-2004, 03:55 PM
 
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Default Goldfish ponds/aquaria

wrote:

reposting of my earlier message:

Jo Ann supplied the following observation and experiment she's been
running. Remember that this is a single incident AND it is in a tank.
This mean there could be unknown factors at work or
this may not apply to any other tank, water pH, condition, etc.

she super sterilized a tank in advance of moving fish into it. Unknown
to her, Steve had put a small amount of Microlift (an organic waste
remover) into this tank to see if it would help reduce the ammonia levels
of these fish when they started spawning. The stuff had been sent to them
to try out.

The first thing she noticed was that peroxide did not clear the purple
sterilizing level of PP in the tank. She then dumped all water, changed media and
cleaned the gravel. Steve added a few more drops of Microlift to the tank (without
telling Jo Ann). This is classic example of a blinded study cause Jo Ann sure was in
the dark.

Jo Ann put in the fish. Soon she noticed the fish were lethargic and the
physical showed that the gills were liver colored purple. She immediately
checked the water parameters but the ammonia was not bad. She did a water
change anyway. Soon the fins were shredded and she moved the fish to fresh
water, did scrapes and found nothing. Some of the fish died, others
recovered after being moved to fresh water.

She dumped all the water in the tank again, left the media. She left the
tank for 2 weeks with no fish and then tested for ammonia which was now off
scale. She did another super PP treatment and once again the peroxide
wouldnt remove the PP. ONce again she dumped the tank, left the media.
The next day the ammonia was 0.1.

2 weeks later fish came in, put in the tank but didnt check ammonia in the
empty tank. 3 days later the fish were spawning and the ammonia was off
the charts. She did a 50% water. 3 days later the fins were shredding and
on the fish were on the bottom and lethargic. A scrape showed nothing,
gills were purple. The fish were moved out of the tank. Some of the fish
died, the rest have neural damage and probably wont survive.

She did 2- 100% water changes on the fishless tank, but the ammonia was
still off the wall 24hrs later. Did another 100% water change on the empty
tank, AND replaced the media completely and found ammonia at 0.1 later that
evening. Steve now told her he had added the Microlift.

Jo Ann is planning on adding some experimental fish to this tank in the
future to see just how residual the effect is going to be.

Note: The bacteria in the Microlift is purple bacteria. Some species of
purple bacteria reduce nitrates to ammonia. Also, purple bacteria eat H2S
and so are sold in an H2S formula to keep em alive. All additions of
Microlift were less than the recommended dose. Jo Ann has acidic water,
adds a calcium buffer to the water and salt. This was the only tank the
Microlift was added to, no other tanks of fish (with no Microlift) have
these symptoms.

eventually Jo Ann moved the fish out and used an overnight bleaching of the tanks...
it generated a foul odor, so be sure to have good ventilation.

as to your problem. I have koi outside in a raised pond (1.5 feet above ground, 2.5
feet below ground) and I am in zone 5, colder than you. I have a 1600 gallon pond
and drop a 500 watt tank heater (aquatic ecosystems, in a protective jacket) into the
pond and cover the pond with plain old 6 mil plastic over a wooden lean to.
http://puregold.aquaria.net/mypond/winters/winter.htm
the water stayed at or above 50o for all but 1 month of winter. I continued to feed
my koi for all but that one month. GF will do just as well in those temps.

you are going to have to thin out your pond until you have a maximum of 1 goldfish
per 20 gallons of pond. if you would like some natural "birth control" get 3 Orfes.
they eat the eggs and fry and with them around you wont have excess GF.

Ingrid


"Tom Puskar" wrote:

I'm new to this group so apologies if this has already been covered.

I have an outdoor pond stocked with goldfish. My original 10 goldfish are
very prolific and I now have more than 100 fish of various sizes and types.
This year alone the outdoor pond has generated over 30 new fish.

I'm in zone 6 and we've had a few brutal winters in the past two years. To
preserve my finned friends, I built a 300 gallon indoor pond and also have a
100 gallon aquarium and a 29 gallon aquarium--all overstocked!

Here's my problem and I'd appreciate help. I appear to have a pretty severe
ammonia problem in all the indoor tanks. Although I haven't lost a single
fish (and they are breeding in the 300 gallon tank) I keep getting ammonia
readings off the scale on the standard kits.

I do water changes, charge the aquaria with Cycle or MicrobeLift but the
readings are still high. I put ammo rocks (or chips as appropriate) in the
tanks but still get high readings. Nitrates are also usually pretty high.

I hate to get rid of my fish but I need to fix this problem. The fish range
in size from tiny fry (1 inch or less) to 6-8 inches long.

Any ideas would be appreciated.

I hate to make this a marathon post and would be glad to discuss additional
details offline.

Thanks to anyone with ideas.




~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~
List Manager: Puregold Goldfish List
http://puregold.aquaria.net/
www.drsolo.com
Solve the problem, dont waste energy finding who's to blame
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~
Unfortunately, I receive no money, gifts, discounts or other
compensation for all the damn work I do, nor for any of the
endorsements or recommendations I make.




~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
List Manager: Puregold Goldfish List
http://puregold.aquaria.net/
www.drsolo.com
Solve the problem, dont waste energy finding who's to blame
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Unfortunately, I receive no money, gifts, discounts or other
compensation for all the damn work I do, nor for any of the
endorsements or recommendations I make.
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