cloudy water and tropical fish are dying?!? :( - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 4 Old 08-03-2012, 03:51 AM Thread Starter
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Unhappy cloudy water and tropical fish are dying?!? :(

Please help!
I have a 60L tropical fish tank with 7 fairly large fish(now 5). I recently changed the stones (I have done this before and assumed it would be okay again...) and added a new ornament and plants( I soaked these in the old tank water). I also did a 50%ish water change and cleaned the pump. After I did this, the water was a bit murky but i thought it would settle. Two days later and two fish are dead and the water is very cloudy and there are tiny bubbles at the top! I don't know what to do?!?! D:
Please Help!
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post #2 of 4 Old 08-03-2012, 02:47 PM
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We need more data please.

What fish are in the tank? What plants?

Are the rem aining fish showing any signs of stress, or un-natural behaviours? Is respiration normal?

Did you use a water conditioner, and which one?

By "stones" presumably you mean the substrate. This would have removed the majority of bacteria from the tank. There might well have beeen a sharp rise in ammonia and/or nitrite as a result, and even more-so if the filter media was cleaned/changed as well.

The cloudiness is probably not the issue, this is a bacterial bloom, not the same as nitrifying bacteria. Have a read of this article:
http://www.tropicalfishkeeping.com/f...quarium-74891/

Byron.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #3 of 4 Old 08-04-2012, 08:23 AM Thread Starter
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Two more fish died from yesterday:'( and i went to the fish shop for a water ph test, the amonia is okay but the nitrite is very high. I've been told to do a 50% water change and every other day a 20% change(i have done this everyday as it isn't making much of a difference, it just looks like soup!). I also had to get stress zyme and have added this to the aquarium. Also I have been told to not feed the fish?
I have 1 bronze corydoras, 1 goramis, and 1 small catfish(common plec).
These fish are acting a little strange: they suddenly shoot to the top of the tank to the top of the water(looks like they are getting air?, even though there is a lot of oxygen in the water). The catfish is more confident(?) it's not hiding near the bottom or in the log, it's on the side of the tank now. Other than that they are okay.
I use tapsafe, always have.
I dont know what type of plants we bought, but we always get these types so i doubt it is the plants, the fish shop guy told me the plants would help?
Thanks, and the link was helpful.
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post #4 of 4 Old 08-04-2012, 12:37 PM
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Quote:
Two more fish died from yesterday:'( and i went to the fish shop for a water ph test, the amonia is okay but the nitrite is very high. I've been told to do a 50% water change and every other day a 20% change(i have done this everyday as it isn't making much of a difference, it just looks like soup!). I also had to get stress zyme and have added this to the aquarium. Also I have been told to not feed the fish?
I agree. Not feeding means no (or much fewer) waste organics will enter the system, and this only adds more to the bio load.

I also agree with daily water changes, but I would do no less than half the tank volume. The purpose of this is to dilute/reduce the ammonia and/or nitrite so the bacteria have a better chance of coping with what's left. And any level of ammnia or nitrite will harm fish, even if they live through the cycle, the damage has been done.

As I said previously, the cloudiness is a distinct issue and not a concern. Eventually it will clear as the tank's biology is established. Water changes will make it worse, as the article I linked previously explains if you read it, but this is not harmful to the fish. The ammonia and nitrite are deadly, and that is what must be targeted, hence the water changes.

Quote:
I have 1 bronze corydoras, 1 goramis, and 1 small catfish(common plec).
These fish are acting a little strange: they suddenly shoot to the top of the tank to the top of the water(looks like they are getting air?, even though there is a lot of oxygen in the water). The catfish is more confident(?) it's not hiding near the bottom or in the log, it's on the side of the tank now. Other than that they are okay.
The common plec is going to cause trouble as it grows to over a foot in length. We can discuss this later, the urgent issue is saving the fish.

Corys must breathe air or they will literally drown. This is explained in our profiles, click on the shaded name: Corydoras aeneus, this is probably the species you have as the "bronze" although it could also be a similar fish, Brochis splendens, which is often sold under the same common name. Shaded names are a link to that species profile so check the photos; the text tells how to distinguish them apart.

Quote:
I use tapsafe, always have.
You are in the UK and this is not a brand I know. The reason i asked previously is that some conditioners detoxify ammonia and some also handle nitrite. One that does both would help during cycling. I know of two, Seachem's Prime and Aquarium Solutions' Ultimate.

Quote:
I dont know what type of plants we bought, but we always get these types so i doubt it is the plants, the fish shop guy told me the plants would help?
Yes, plants help. Aquatic plants use ammonia/ammonium as their nitrogen, so they grab a lot of it. Faster-growing plants are better at this. Stem plants and floating plants are best here. But still keep up with the water changes until ammonia and nitrite are both zero and remain zero for consecutive days. It is worth having your own test kit. The one most of us use is API's liquid, they make a Master that includes pH, ammonia, nitrite and nitrate. These are the ones you need especially initially.

Byron.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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