Newly repotted Dtps Jungo City (left) and Dtps Yu Pin Burgundy (Right)
Sphagnum moss is a good orchid media, and many people grow their phals in it successfully, but it's not for me. I last watered my sphagnum potted phals almost two weeks ago, and they were still moist today. It freaks me out when orchids take that long to dry out; I start to imagine all sorts of rot and fungus spreading rampant through the root system when my pots aren't drying within a week. I've had a good experience growing phals in bark, so I decided to go with what has always worked for me.
Dtps Yu Pin Burgundy has a healty root system
The roots on my Dtps Yu Pin Burgundy looked great; most of the roots were firm and unbroken, and there were many growing tips. The phal had a good mix of older and new roots.
I potted it into a clear version of the 4.5" pot that it came with.
Dtps Jungo City roots before and after trimming
The Dtps Jungo City, on the other hand, was in poor shape. The orchid had dropped a leaf soon after I got it, which may be an indication that it was less capable to handle stress. The Dtps had a ball of old blackened moss near the root base, and many many rotten roots. Of the roots that remained after trimming, all have blackened tips, which is a strong indicator of prior bad potting conditions. There are a couple new roots budding off the base, so I am confident that this orchid will recover quickly if I get the care right, though.
The remaining root system on this phal was far too small to pot back into a 5" pot like the one it came with. Instead, I downsized to a 4" clear plastic pot. With it's tall leaves and minimal roots, the phal is a little shaky in it's pot, but hopefully it will stabilize once the media settles in and the new roots help it establish itself.