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HELP did my usual 30/50% water change and now everyone is dying!!!

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HELP did my usual 30/50% water change and now everyone is dying!!!
Old 01-22-2011, 10:58 PM   #11
 
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I checked the gills of the fish, and none look abnormal. Their bodies do not have red spots either. No streaking in the fins, but it happened quickly. Within 15 minutes all the tetras were dead.

I don't have kids to contaminate the bucket I use. I use one bucket per tank, and store it upside down under the tank. I siphon into it, rinse, the use it to fill.

This tank is also planted with several java ferns, onion plants, and mircoswords. I have 3 large photos plants outside the tank on top, with their root systems going into the water.

Chlorine is the only thing I can think of to cause them to swim like that :( Poor fish.
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Old 01-22-2011, 11:01 PM   #12
 
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Wow, sorry to hear about your fish. Hope you get to the bottom of the problem and find out the reason.
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Old 01-23-2011, 12:25 AM   #13
 
ReneeB I am sorry this happened to you.

I want to throw this out there and I know most people disagree with this......

Personally I don't believe in big water changes. I usually only do 10 percent, 15 max when I do one. I feel it is bad for the fish to put them through such major changes as a 50 percent water change. Whether or not a smaller change would have helped you I don't know. I am not criticizing your method. But in my mind things like this reinforce my belief that small water changes are better.

Hope things work out well for you!
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Old 01-23-2011, 03:59 AM   #14
 
the only experience I had with fish dying is such short time was temperature shock. Could it be that when u poured in the new water it was 10C more or less then the one they were in? that could be the sole cause of the unfortunate event.
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Old 01-23-2011, 04:55 AM   #15
 
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Quote:
Originally Posted by ReneeB View Post
but it happened quickly. Within 15 minutes all the tetras were dead.

Chlorine is the only thing I can think of to cause them to swim like that :( Poor fish.

I will go with the Chlorine theory as well ~ on my Discus board we would see this happen and quickly it did, immediately after a wc.

The city decided to change their water. Usually add more chlorine. And we had them contact the city and get the updated report. Sure enough ~ It became so prominent with some discus owners, they started aging their water or using well water.

I am so sorry for you! But now you know ~ hopefully. You didn't add any new stock lately did you, like before the wc?
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Old 01-23-2011, 11:48 AM   #16
 
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Originally Posted by MukiTheFish View Post
the only experience I had with fish dying is such short time was temperature shock. Could it be that when u poured in the new water it was 10C more or less then the one they were in? that could be the sole cause of the unfortunate event.
This was going to be my question. If you are certain there was no temperature mishap then the city did something different to the water and will probably never admit it. From now on I would cut back to smaller water changes more often and maybe double up on the dechlorinator.

Please let us know if you figure this one out. It would probably help somebody in the future.

Ralph
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Old 01-24-2011, 11:27 AM   #17
 
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Thanks everyone. There was no new stock. My blue tertas had been looking so good too. Their color was amazing, even fading to purple into the fins from the blue streak. Today I fed the tank realizing so many of my lil buddies were not coming out. Poor guys.

I tested my tank water after treatment. I took the water left over in my bucket (tap from the night) and tap from the following morning up to my LFS. Ammonia from the night prior was at .06. The chlorine was also high. We've had a run of -20 degree windchill,not sure what is going on with the city. In all the years I've had tanks, never had this happened before. All I can think of doing now is using a large rubber made, with heater, letting it sit with treatment and air for 24/48 hours (not exceeding 15/20% changed out at a time). Then pumping it into the tank. I never want to watch my fish die like that again. My fault was I'd get siphoning the sand and cleaning it up, then by the time I was done it was down to 30 - 40%. To think how many times I did that in the past, even with fry tanks. Tough lesson :(
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Old 01-24-2011, 11:42 AM   #18
 
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I am so sorry you lost your guys. I know how you feel because a few years back I did a water change and I unplugged the heater because I was afraid to let the water go below the water line on the heater then I went out of town for a business trip for a week and when I came home first thing I went to look at my tank and noticed there was a dead gourami I got the net to get him out and when I touched the water I was shocked by how cold it was then I looked at the themometer and the tank was about 60 degrees. I then relized I had not plugges the heater back up I lost 6 of my favorite fish because of my stupid mistake. I felt awful for a long time afterwards. It might not of been so bad if it had been summer but it was the middle of winter.
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Old 01-24-2011, 11:49 AM   #19
 
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:(

I almost did the same to my gs puffers. The tank heater came unplugged and I didn't notice. My red Doberman, Saya, alerted me to the tank. She has made friends with many of the fish, including the koi in the basement pond. Saya's fishy friends :) She didn't stop staring at the tank. When I noticed the gsp were not chasing her nose like usual I started investigating.

I added some of my grow out guppies to the 55 gallon so hopefully she don't notice so many are gone. On a happy note, It's cute when my 7 month old goofy male Dobe, chases them, then runs into the hallway looking to see where the went ;)
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Old 01-24-2011, 12:12 PM   #20
 
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LOL thats so funny you should video it and post it. You could add a goofy voice to it saying something like," Were did they go mom, were did they go." LOL
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