Hi Patricia, Welcome to Orchid Board. I'm from Philly but now from Florida. The PhiladelphiaFlower shows are fantastic. Attended several over the years but never had orchids till I moved here 3 years ago.
As for your pleating I have a couple that do that sometimes and it's always on the new growth. I found that if I kept the medium watered thoroughly when it has just become dry the bulbs stay healthier. I also put them in a pail and soak for about 3-8 minutes depending on which medium that plant is in and how big the pot is. I have some in a mix of bark/spag/charcoal, some in aliflor/charcoal/spag, and some in only spag ( it needs to be changed due to the spag becoming toxic after a while here). Just don't let the pots sit too long or else the roots will revolt and die. I set a timer if I have to leave the area and put it in my pocket. (Lost a couple phals early on that got too soggy) Hope you find this forum as helpful as I have.
Lorraine
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