cloudy water and tropical fish are dying?!? :(
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:
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:
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.
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.
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.
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