What is this...brook, velvet, ich, flukes?

[02tts]

I noticed what appeared to be ich or something else on their fins so I did a 5 min freshwater bath then things got much worse after the bath. Lost this guy but what is this - have this on a Few others.

this is in a QT.

this morning I gave them all a formalin bath for 1 hour at 1ml per gallon.

thoughts on what this is?

 

[Big G]

If the skin is sloughing off it's probably Brook.

 

[02tts]

If the skin is sloughing off it's probably Brook.

That’s what I’m thinking. I treated with formalin, if I then want to dose the QT with formalin at 1ml per 10 gallons, how long do I run that for and I am assuming that I dose it only once?

 

[Big G]

That’s what I’m thinking. I treated with formalin, if I then want to dose the QT with formalin at 1ml per 10 gallons, how long do I run that for and I am assuming that I dose it only once?

I prefer to use formalin in a bath rather than a QT. It's nasty stuff and like to minimize the fish's exposure to it.

30-60 minute bath treatment: 1 ml per gallon, or 20 drops per gallon. Aerate vigorously and treat at this concentration for approximately 45 minutes. You can actually treat for a maximum of 60 minutes if the fish seems to be handling the bath fine, but cut it short (30 minutes) if breathing becomes too heavy.

Formalin is best administered in a bath solution for 30-45 minutes. The bath is best done in a large glass bowl or container, but a plastic bucket is fine as well. (However, keep in mind that plastic may absorb some of the medication and then leach it back out during future use.)

Temperature/pH/salinity of the bath water should match the tank the fish is coming from (and going into afterwards.) It is very important to heavily aerate the bath for at least 30 minutes before and also during treatment to compensate for oxygen depletion. The fish should be placed in a premixed bath solution. DO NOT add more formalin after the fish is already in the bath.

It is important to always transfer the fish into a new/sterile quarantine tank (QT) post bath. Returning the fish to the same tank you took him out of will just result in reinfection.

 

[02tts]

I prefer to use formalin in a bath rather than a QT. It's nasty stuff and like to minimize the fish's exposure to it.

30-60 minute bath treatment: 1 ml per gallon, or 20 drops per gallon. Aerate vigorously and treat at this concentration for approximately 45 minutes. You can actually treat for a maximum of 60 minutes if the fish seems to be handling the bath fine, but cut it short (30 minutes) if breathing becomes too heavy.

Formalin is best administered in a bath solution for 30-45 minutes. The bath is best done in a large glass bowl or container, but a plastic bucket is fine as well. (However, keep in mind that plastic may absorb some of the medication and then leach it back out during future use.)

Temperature/pH/salinity of the bath water should match the tank the fish is coming from (and going into afterwards.) It is very important to heavily aerate the bath for at least 30 minutes before and also during treatment to compensate for oxygen depletion. The fish should be placed in a premixed bath solution. DO NOT add more formalin after the fish is already in the bath.

It is important to always transfer the fish into a new/sterile quarantine tank (QT) post bath. Returning the fish to the same tank you took him out of will just result in reinfection.

Thanks. I read that in the disease section but it does not say how long to treat the QT for. I did the bath today but I’m treating the QT @ 1ml per 10 gallons - it says daily but my question is for how many days am I supposed to treat and do I need to make a water change after it...assuming everything day I keep putting in formalin at 1ml per 10 gallons?

 

[vetteguy53081]

Agree on formalin bath . Also try freshwater bath first to eliminate fluke possibilities.

 

[Big G]

Thanks. I read that in the disease section but it does not say how long to treat the QT for. I did the bath today but I’m treating the QT @ 1ml per 10 gallons - it says daily but my question is for how many days am I supposed to treat and do I need to make a water change after it...assuming everything day I keep putting in formalin at 1ml per 10 gallons?

I would not do both the bath and prolonged immersion. Too much formalin. One treatment in the bath should take care of the Brook. Formalin is pretty nasty stuff.

 

[Oscar’s25Gal]

My thought is it's Brook. Sorry for your loss

 

[02tts]

Should I expect to see the fish free if any trace of brook right away? The rest fish that were in the QT, another 8, 6 yellow tanks and 2 triggers are all doing great it seems but they still have something on their fins, all of them do.

I’m thinking of doing another bath but the question is should everything drop off right away or will it take days?

 

[Big G]

The white spots/areas are the mucous response from the fish's immune system. It falls off at an uneven rate. It kinda wears off, kinda like the peeling of a sunburn. How fast it falls off varies a bit from fish to fish. I'd wait a couple of days between dip. Look for new areas of white and white spots to decide if you need another treatment.