first orchid oncindium with root rot

[jwrenn]

Hi my name is Jordan, I just bought my first orchid an oncidium. Got it from a big box store.after.doimg.some.studying on orchid care. Got it home only to discover it had a bad case of root rot. Ive cut.off all the rot and repotted from sphagnum to bark as a medium. I gave it a weak dose of fertilizerand placed it in a window where it gets about 2 to 3 hours of direct light and plenty of indirect. Is there anything else i should do to help the roots grow back. Maybe the bag method? Any help is appreciated.