01-14-2013, 08:43 PM
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I generally stay out of the disease section as I have limited experience, but checking in now I see no one has yet responded on this, and it is a relatively straight-forward issue. Though I recall the other thread on this tank, and the cycling issues, but I won't repeat all that here, just stay with the ich explanation.
Normally I do not recommend salt for soft water fish as there are better remedies and salt is in my view highly problematic. But this species is a bit hardier. From the other thread one has died, and as I think I mentioned there the second may too.
Raising the temp will speed up the ich cycle; I usually go to 85F for a week. If the fish can tolerate it, 90F will by itself cure the ich, without medication. But not all fish can manage that high a temp over a week. And I wouldn't go above 85F with this tetra species.
Ich only occurs when fish are stressed. Many of us believe it is always present, but it takes stress on the fish to weaken its resistance and then we see the spots. Ich first attacks the gills where we can't see it, and this is how it manages to remain in the tank.
At this stage, I would just raise the temp to 85F and wait it out.