Sorry for inadvertently overlooking this post for a couple of weeks!A few questions off the top of my head:
- is the proximity of your tanks of concern for aerosol transitions between them (not trying to be critical, just something on my mind as I struggle with QT placement)?
- would Velvet be of particular concern for an individual cohort? how would this play if a problem arose? Separate hospital tank with CP/Copper?
Proximity of these tanks to one another could certainly be a concern if there are specimens in various stages of treatment housed within. I have generally attempted to time my cohorts to start and stop together to minimize this risk, but it’s certainly always a possibility. I generally do all my transfers the same day, one after the other all down the line until I’ve turned over all of the tanks.
I think aerosolized transmission would be an especially concerning issue between the QT and Observation areas. I have my Obs tanks situated across the room and am very cautious about avoiding cross contamination with nets, etc.
Regarding velvet and the like, I typically manage all newly arrived specimens as if they have these diseases even if they don’t show signs of them. Certainly some fish arrive in my care with white spots, etc., but even if they don’t, I put them through this treatment regimen. The ones that have diseases generally improve about 75% of the time, which is a higher success rate than I had in the past when I used copper routinely.