Well, I've had a setback. About 2 1/2 weeks ago I noticed I suddenly had leftover food in the tank. I did a PP treatment. Three days later it looked like no one was eating, saw some white feces/intestinal lining from one. I started with a treatment of standard dose metro. Next morning the reds had darkened up. Within 3 days I think they were doing a bit better, starting to eat. I did a big WC from a reservoir I discovered was 5 degrees colder than the tank and that seemed to set them back to square one. After 3 more days finally had one of eight eating. Upped the dose to 150% and upped the temp from 85 to 89. Finally tonight came down to do a WC and it appeared they were begging for food. Gave them a half normal ration of my beefheart/seafood mix, pretty much all I feed, except the occasional frozen or freeze dried CBWs. One by one, then suddenly a group almost all of them hit away at it tonight. I think I'm around the bend.