Trying not to kill my orchid..

[Quinn]

So, I've had this orchid for several years. It was given to me at a funeral, and I've never really been very good at caring for orchids (I do much better with carnivores, even fussy ones). It hasn't flowered since then but I'm pretty sure it was purple, the kind you often see in the grocery store. I'd really like to stop neglecting it, so I'd really appreciate any advice.

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I repotted it as a start, in a light mix of bark and perlite. There was some mold in the old bark, so I left this very airy to avoid that in the future.
Thanks, I'd really appreciate any help, like I said I've never been very good with orchids, and I'd like to learn.