Fredclarkeara - After dark Black Pearl: watering or not?

[sbrofio]

Hi fellows!!
For my birthday I decided to make to myself "some" gifts..
Obviously orchid gifts

One of them is a Fdk After dark Black pearl.
The plant is pretty big, as you can see in the pics.
I read the care instruction in the vendor's site but I have a doubt.
The plant is yellowing (does this verb exist?) the leaves, so I suppose it's enetering in dormancy, but it's making a floreal stem.. so, here the doubt:

Keep watering (a bit less) until at least 2 flowers open or stop watering?

Thank you friends

Filippo

The stem ( ? )