Shriveling bud on phal

Hello. I have had this phal since easter and its main spike has been in bloom since I got it. It was sending up a 2nd "new" spike which grew from around 4 inches to about 10 inches. It currently has 3 buds on it that were close to opening but today I noticed that one was shriveled. Does anything in particular cause this. All the other buds and flowers look ok.

Thanks.

Phals are fickle creatures and sometime drop bud just to keep us humble. Other causes are change of temp. light, moisture, location and the fact that you yelled at them 3 months ago and they didn't forget.
Cin

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This ain't no dress rehearsal

so true!...

Try not to worry just yet. Sounds normal.

Cheers,
BD

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We could learn a lot from crayons: some are sharp, some are pretty, some are dull, some have weird names, and all are different colors....but they all exist very nicely in the same box. ...Hmmm? .