Cory rolling

I was only offering my past experiences with fish flashing that left untreated spreads and killed my fish.

Dont read into my advice anything more than that. I am only offering some advice with chronic fish flashing in case it is not 'random'. It must be bad if a poster posted about it, though you first mentioned parasites. So I hope he figures it out.
I'm more speaking about OP jumping straight to the treatment train, to rather take a step back first and watch before considering it. It's a valid treatment for parasites and protozoan infections, but I also wouldn't jump straight to meds without knowing if it's just an itch or if it is a problem.
 
I get the toxicity, but the persistence in the tank is the shocking thing.
I have used it a few times in 10 years, and I didnt have a problem with the sensitive fish after treatment, but I never treated in a tank containing any shrimp, snails, or invertebrates. So I am not sure about persistence hurting them.

I would imagine wiping down the biofilm off of objects and tanks with rigourous gravel vacuuming should help a lot. There are good articles on using it.

Unfortunately, on some occasions, it is the only thing to use to stop a bad parasite invasion.
 
I'm more speaking about OP jumping straight to the treatment train, to rather take a step back first and watch before considering it. It's a valid treatment for parasites and protozoan infections, but I also wouldn't jump straight to meds without knowing if it's just an itch or if it is a problem.
Sure I agree with that. I was only sharing my personal experience where, in my tank, it started with one Cory flashing, then it spread to the other Corys. From the Corys it spread to my other fish until all the fish were flashing. Very heartbreaking to see, then fish started dying. The Seachem Cupramine quickly cured the fish and stopped the flashing when nothing else worked. Cupramine is a chelated copper, so it is safer than Copper Sulfate on the plants and fish, but it still is potent.

It is important that we share these types of experiences so hobbyists can save their fish from same diseases. This is why I do this.

But, yeah I wholeheartedly agree; everyone must be sure of the disease and not treat recklessly.
 
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Sure I agree with that. I was only sharing my personal experience where, in my tank, it started with one Cory flashing, then it spread to the other Corys. From the Corys it spread to my other fish until all the fish were flashing. Very heartbreaking to see, then fish started dying. The Seachem Cupramine quickly cured the fish and stopped the flashing when nothing else worked. Cupramine is a chelated copper, so it is safer than Copper Sulfate on the plants and fish, but it still is potent.

It is important that we share these types of experiences so hobbyists can save their fish from same diseases. This is why I do this.

But, yeah I wholeheartedly agree; everyone must be sure of the disease and not treat recklessly.
Exactly! It's important to share experiences! I'm not knocking on that, so please don't think I am here 😭

I just want OP to just monitor first before jumping into it, their responses made it seem like they want to go that route right away and it could prove more harmful than good if that ends up not being the issue.
 
Exactly! It's important to share experiences! I'm not knocking on that, so please don't think I am here 😭

I just want OP to just monitor first before jumping into it, their responses made it seem like they want to go that route right away and it could prove more harmful than good if that ends up not being the issue.
Yeah, I was giving a heads up since it started in my tank with one Cory flashing like that, then slowly spread. I went to the LFS, and the senior staff says, 'oh that is normal for some fish.'. He points out one of his tanks and says, 'See these fish are doing it', even though there are no visible parasites. Well, at least I know where I got it.

Thanks
 
Will this work in my 20 gallon tank even though it says 40 gallon or larger?
 

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If I was going to try an Ich medicine, I would use Ich-X, which is highly recommended with fish keepers.
Reading reviews of the Jungle Ich Clear, I read some reviews where it killed the treated fish. Also, I can't find the active ingredient of the Ich Clear. I assume it must be Methylene Blue since people said it turned the water blue

Ich-X is what I would try. Good luck to you!.👍🏼
 
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Or should I try feeding them less first ? Should I just feed them once a day? I wonder if feeding them 2 times a day is too much and causing a ammonia spike . Maybe I should try feed them only one time a day first.
 
Should I buy this?
What you use depends on what kind of parasite or disease it has or if it is a water parameter issue.

We need more information.


If your fish are still rubbing against objects or gravel and it is getting worse or spreading to other fish, then I would medicate.

The question we need answered is: do you see any parasites on the fish that they are trying to rub off? Flukes are visible and attach to the body or gills. Velvet or Gold Dust Disease is gold or very small parasites that stick to the body and spread.
 
They look normal but sometimes they flash and more than one is doing it but I only notice it in the sand tank. they are doing fine in the gravel .so if it is parisites I want to treat them asap so it will be easier to cure
 
They look normal but sometimes they flash and more than one is doing it but I only notice it in the sand tank. they are doing fine in the gravel .so if it is parisites I want to treat them asap so it will be easier to cure
We need to know what type of parasite it is.
 
Here's some pics of a few of my fish
 

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