angelfish are dieing Help!!

I B · Jan 11, 2021

Hi,
I have a 55 gal. tank with 7 Platinum Angelfish and 7 green Cory Cats. 2 angelfish died tonight, the symptoms were clamped fins, inflamed gills,
and swimming in a vertical circle. This is my first time keeping angelfish and I don't know what to do. Here's some pics......

I could really use some help I don't know whats going on.

I B · Jan 11, 2021

I was also treating one of them for fin rot with melafix but I was very careful and under dosed just a tad so I don't think that was it, fell free to tell me if i was wrong.

mrsjoannh13 · Jan 11, 2021

Can you please post more about your tank and water parameters? What else is in your tank livestock wise? Ammonia, nitrite, nitrate, GH, pH, KH and water temperature. How often you do water changes and do you clean your gravel? What type of filtration do you use and is the tank heated - what temperature?

The symptoms sound like they'd be related to poor water quality so if you can post more info I'm sure we can help narrow things down a bit for you. Sorry for your losses.

I B · Jan 11, 2021

Thank you, my Ammonia, nitrite, nitrate, and Po are all 0. Seeing as how I had just done a water change. My pH is 7.6 and every time I do a water change (which is once a week) I vacuum my gravel. My tank is heated to 78 degrees Fahrenheit. I got 6 of the fish 2 days ago but already had one of them for 6 days before. I also have 7 green Cory Cats in the tank but they have been in there for months. I also use a hob filter with mostly bio media in it.

itiwhetu · Jan 11, 2021

Do you have live plants in the tank. Photo of the whole tank please.

I B · Jan 11, 2021

Yes, I have Anacharis.

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I B · Jan 11, 2021

Barry Tetra · Jan 11, 2021

How often do you do a water change?

I B · Jan 11, 2021

I do a 10% water change every week.

I B · Jan 11, 2021

Also the fish were not eating after I got them which was about 2-3 days ago.

itiwhetu · Jan 11, 2021

Do you know what the pH of the water they were in was.

itiwhetu · Jan 11, 2021

They look like really young fish to me. Sometimes young fish don't move well

I B · Jan 11, 2021

I dont know the pH they were in when I bought them my pH was 7.6

itiwhetu · Jan 11, 2021

I B said:
I dont know the pH they were in when I bought them my pH was 7.6

I would be surprised if the pH was that high from the supplier.

itiwhetu · Jan 11, 2021

Fish breeders usually try to keep their pH close to 7

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