well i had to raise the temp of my fish tank to about 8 5 to 87 degrees over the course of the last 2 days and now my 2 male cherry barbs are dead this mourning this is the only thing that could have killed them because they did not have the ich only one tiger barb had ich showing on i'ts fins now the ich has dissapeared and so have my cherry barbs the tank is usually around 79 to 80 degrees 
