Phalenopsis mini mark new spike getting yellow

[soub1508]

My mini mark was affected by crown rot about 5 months ago.after that it recovered and put up two new spikes but new spikes are getting yellow after some days.roots are also fine

[Ray]

Looks awfully dry to me, and the leaves look like it's suffereing from the overall culture. Tell us more about your growing conditions and watering/feeding regimen.

Those spikes are goners.