I've just bought an orchid, sadly haven't noticed the the flower stalks looks strange, could you tell me what it is? Tha flowers looks ok. Thank you in advance Yair
Certified GKH Gardening Expert
This could be injury, but it is more likely a fungal infection.
Replace 1/3 of your water with peroxide the next time that you water. This will help. Also, make sure that you never let it sit in water. Only water these once or twice a week. You can spray them with water, otherwise.