Disease questions

benpoole28

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I noticed some spots on one of my triggers and thought that it was ick, maybe velvet. Both of which seemed strange because I haven't added anything to this tank in about six weeks and all my fish stayed at the store for a while showing no signs. I immediately went and bought the really two part, ick kick and the pink one that comes with it and treated according to directions. A few days passed and all my fish showed the same signs. Completely covered in spots, fin deterioration, swimming into powerhead current, hidding from light and less appetite though still eating but not as much. Long story short, ended up losing 3 triggers, 1 tang, 1 puffer, 1 angel.

The survivors include dragon wrasse, red sea sailfin tang, porcupine puffer and of course 2 damsels (the unkillable fish).

I'm still confused about what it was exactly. It seemed too take longer to kill them than what I've read about velvet, a few lasted 2 weeks until finally dying, others only a day or so. Although they had all the characteristics of velvet.

My question is, although my survivors are not showing any signs of illness, could they be carriers but immune to whatever it was? I ask because I don't plan on adding anything for 8 weeks as a fallow period, but is this considered a fallow period if I still have fish in it?

Tank is a 200 gal fowlr.
 
Yes they are probably carrying as they are a host. I'd treat anything left.

^^ Exactly. There is evidence to suggest that some fish can build up immunity after surviving the "first wave" of parasites. More info on that here: https://www.reef2reef.com/threads/protective-immunity-against-cryptocaryon-irritans.240367/

The problem is even if now immune, your fish are still carriers capable of infecting other fish. So, anytime you drop a new fish into the DT you risk triggering another outbreak. Also, your established fishes' immunity may not be permanent. :eek:
 
Thanks, great article! If I didn't have a ray, it would make things allot easier. I could put the few I have left in hospital tank, and treat them. While in there I could drain the main tank and start with all new water. I'm not adding anything else to the tank without getting a good uv sterilzer. I've always held back because of the cost, but after losing $500 worth of fish, I'll pony up and get one.
 
That thread is quite a read. Lol. Up to this point I had never heard of one. Seems to be exactly what I need. Have you gotten one yet? If so which one? I think the nuclear canister seems like a good option.
 
That thread is quite a read. Lol. Up to this point I had never heard of one. Seems to be exactly what I need. Have you gotten one yet? If so which one? I think the nuclear canister seems like a good option.

The only "aquarium" Diatom Filters I have found are the Vortex. But I don't think those are SW safe. Someone suggested either using a canister (like you said) or buying a DE from a pool place.
 

IF YOU HAD TO TAKE A REEFING EXAM, WOULD YOU PASS?

  • Yes!

    Votes: 32 45.7%
  • Not yet, but I have one that I want to buy in mind!

    Votes: 9 12.9%
  • No.

    Votes: 26 37.1%
  • Other (please explain).

    Votes: 3 4.3%
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