I love Phalaenopsis orchids too, though I am not a fan of sphagnum moss at all, makes it too hard to determine if it is dry already especially during cold weather. It is a matter of preference which media you like to use, just make sure you monitor if it is still too wet or not.
Try not to mist or wet the leaves, or if it is unavoidable, dry it off with paper towel so it does not invite fungal rot. Phals grown outdoors easily gets their wet foliage and roots dry by continuous air circulation, but indoors in our homes, it takes much longer to dry out. Hope you have a chance to check the roots just to see how it is. Phal roots like to go near dry before being watered again. Run your ceiling fans after watering, just to simulate some air movement around. Water your Phals early in the day, not at night, so it has time to drain and dry better.
