...the 1st wipeout was the worst as it effected the most fish. I had 7 fish in my 55g and was adding my last fish. 7 fish w no qt and issues. Fish #8? ICK! Lost 6 of my 8 fish within a week. It was horrible.
Wipeout 2: Velvet
Had 3 fish in observational qt. All 3 appeared fine after a month...