Phalaenopsis orchid: newbie seeking advice!

[Lizzles]

Hi there!

I've recently gotten into orchids, I'm starting with phalaenopsis'. I have done all my research about watering and care. I have one phalaenopsiss that I bought quite cheap at ikea (of all places!). So far the blooms have been very happy, new ones have opened. It looked a little over watered so I took the roots out, removed all the mushy ones and replanted in new bark, and has since seemed quite happy. The one thing I'm wondering about is that the widow my orchids are on is not the warmest so the need to water is seemingly quite low, even longer than 2 weeks - is this ok? The other thing is that the leaves have some dark stains on some of them, despite being otherwise quite turgid and a nice green colour. I've attached some photos - I can't remember if the plant came with these on or not, do you think they are a cause for concern?

(I have put a bit of cinamon on the areas and moved them away from the other plants)

Any advice would be greatly appreciated! Thank you!!