your favorite media for phals?

[orchidrower]

I'm a beginner, growing a several phals indoors, in front of a southeast-facing window (at the top of a two story sun room, so it's warmer up there). I am located in the midwest, so it's still dry here. I've been running a humidifier, so I think I've been able to maintain adequate humidity where the phals are located. (Plan to invest in a hygrometer.)

I'm buying supplies, and I am wanting to buy some materials for re-potting when the time comes, and am wondering, given my growing conditions and location, any suggestions regarding your favorite media mixture for phals? I am going to try a few things, but just wanted to pose the question, what has worked for you?

I have found lots of posts with information, but thought I would take a poll.

Thank you for your advice, everything that I have read has been SO helpful!