so albano, how long and how do you typically QT your fish? ever had any issues with ich on your current big DT?
thats a lot of tangs to not have any problems. i see guys with 2-3 tangs and they get ich outbreaks.
gotta fill us in on the trade secrets...
I've got a separate 60g QT with UV and 120g extra fish & coral tank, with a 100+g LR/calerpa sump...I (usually) dip new fish and put them in QT for at least 2 months to watch them, then a day or 2 in acclimation box in DT.
I presently have 5 Vanuatu wrasses in QT, for over 2 mo., that I plan to move to DT in morning.
About 9 mo. ago I had a Male Zebra Angel in QT, with no problems...(BUT there had been some ick in the store he came from), moved him to DT...a day later my very dominate M Lamarcks (he caused my first M Zebra and a M Bellus to both revert back to Females!) beat the **** out of him and shortly after he was covered with ick. Almost all 60 fish were soon covered with ick.
Long story short, I believe that healthy fish will survive. I do not treat ick...I have no proof it helps, but I only increase garlic in food, and add stress coat to tank...ALL 60 fish survived EXCEPT Zebra angel.
2 of the tangs, that I have, were given to me by a local online vendor, because they had HLLE and were unsellable...in less than a year both are almost completely healed. The yellow tang came from a 7 yr. old tank, and it's fins were in bad shape...now, not perfect but much, much better.
I have not joined the 'Tang Police', but I must say Tangs LOVE the 8' tank, I can see a difference in the way they swim around, and interact, as compared to the 5', 170g that 3 of them originally were in. They often swim together with the Genicanthus Angels.