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This is a discussion on Help with Sphag n' Bag Techniques within the Orchid Ailments / The Compost Pile forums, part of the Orchid Culture category; Douglas, Test the roots. First soak them for at least 10 minutes in tepid water. ...
Douglas, Test the roots. First soak them for at least 10 minutes in tepid water. At the end of the soaking, feel each root, give a GENTLE squeeze. Any soft squishy roots are goners. The firm roots are good.
IMHO, it has sufficient roots that doesn't need to be subjected to sphag-n-bag.... so in case you decide to repot it, save as much good roots as you can based on the inputs by the Sr RV members. Phals have thicker roots than other orchids so make sure not to squish 'em when you apply your potting media; better yet, keep the media as loose/larger chunks (if not using sphagnum) when you can. Since you are growing windowsill, try to place this baby under lights (e.g. CFL 5000K) for 12 hours a day preferably 12" away or less from the bulb as long as the leaves are not warm to the touch.
If you want to go the chemical/hormone route, get something with cytokinins in it. Like seaweed, these compounds encourage cell division and definitely help with root growth.
I agree with Diane, great thread.