Quick Question on Angelfish

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I once read the following somewhere I can't recall.
"If you don't have time to spare an hour a week for a water change you don't have time to keep fish"
It's simple, blunt and true.
 
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Yeah I feel that, but being a college student it is not that easy. I was able to do a small Wc this morning of around 15 gallons. Used water conditioner too.
 
Hi. I’m sorry your fish aren’t doing the greatest. You keep mentioning different diseases. Ick, parasites, etc. pls post pictures of your fish, poo color, routine water change, etc

Pls read this thread and post additional info.

 
To elaborate on Ogerton3000's comment.
If you want a low maintenance system (because of time constraints) only a few small fish, should be your aim, and few, if any IMO, would include cichlids.
Fish that survive low quality water might be best, fish such as small live bearers, small bichirs, or other swamp fish like certain anabantids that can live in less than perfect conditions.
These type ish won't die or get diseased if you skip a water change, or change your decor, or tank mates on there own while you are not looking.
As any cichlid grows it needs more care, not less.
Where a 3" cichlid might require 1 water change per week, as that cichlid grows it needs more, and will need frequent regular filter cleaning to maintain proper health.
Severums and angels are perfect examples of these more demanding species.
They require very pristine water, or as they grow and mature, they tend to get scarred up with "hole in the head disease", due to stress brought on by high nitrates, and being held in crowded conditions that don't get enough frequent water changes, and get stressed by cramped space with too many fish).
Pleco's can also put stress on roundish flat cichlid species because in small spaces, they, ( being nocturnal) will suck the slim coat off fish like severums at night while they rest, many are opportunistic carnivores, not simple algae eaters.
By your comment about letting the tank sit only a week before adding fish, as your cycle tells me the tank was not cycled at all.
It usually takes a tank 6 - 8 weeks to cycle, all that time, it must be fed a source of ammonia, to build up the population of beneficial bacteria enough to keep it cycled for the large number of fish you added.
I consider a 75 too small at tank if there are more than just a couple severums.
Many people who own 3" severums may say they are doing fine in a such limited size tank after 6 months or a year, but a severum is a long lived (10 years) large growth (10"+) animal that unless treated properly suffers in such a tank, as is obvious by scarred up specimens turned into LFSs that have been mistreated.
Below a Pleco, chomping down on fish flesh.
BCDA6F2E-9657-4A2D-A48A-FAA516642B43_1_201_a.jpeg
As Ogerton3000 mentioned, you should "not" be adding more fish to an already compromised system, until some sort of equilibrium is maintained (if at all).
 
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Oh yeah, I will not be adding fish anytime soon just looking for info on a certain type of fish. This morning I put an established filter from one of my other tanks into the tank hoping that it will help my situation. I did a wc this morning and earlier last night the fish seemed to be doing better. The other angelfish - who wasn't sick at first - is not swimming normally and acting fine. The first one is in the same condition but is now swimming around the whole tank. Here are my parameters - 0 ammonia - 0 nitrite - 4ppm nitrate. I'm pretty sure that it is cycled.
 
Oh yeah, I will not be adding fish anytime soon just looking for info on a certain type of fish. This morning I put an established filter from one of my other tanks into the tank hoping that it will help my situation. I did a wc this morning and earlier last night the fish seemed to be doing better. The other angelfish - who wasn't sick at first - is not swimming normally and acting fine. The first one is in the same condition but is now swimming around the whole tank. Here are my parameters - 0 ammonia - 0 nitrite - 4ppm nitrate. I'm pretty sure that it is cycled.

You are right, it doesn't hurt to do some research. I'd still be wary about overcrowding though and wouldn't recommend putting larger fish in there.
All your parameters look good, maybe the angels were purchased with a disease already or possibly are just weak, low quality fish and you got unlucky. Do keep the maintenance up, to be honest I only have a small tank (which is really my daughters) as I really don't have the time or money to set up and look after any of my larger tanks at the moment. It's annoying but it's better than having dirty tanks with sick fish in them.
It looks like you are doing the right thing, hope they all come good soon.
 
I hope, just got back from school right now and one of the Angel's is swimming fine and back to normal but they other is still the same.
 
The fish has little red dots on its head, might be coloration might not, I'm not sure.
 
The fish has little red dots on its head, might be coloration might not, I'm not sure.
I suggest another water change. I would suggest you continue with daily water changes until the other one is swimming normally again.

I assume the other one is swimming with clamped fins, or not erect fins?
 
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