The high temps will work, but need to kept high for around 2 weeks or so AFTER the last spot. What temp did you keep the tank at, and did you double check it with a thermometer? And what level of salt? Salt WILL work, but it must be over 1.002 sg
. I think you read my ich article, but in case you didn't, you'll find it in the articles section.
aka Cycling Guru and the Ich Slayer
*glares at Terry and QTOFFER*
Card carrying member of FTAS & GCAS.