Hi and
What's happening with the vanda? If you could give us just a few details such as where the vanda is kept, what kind of lighting it gets, how it's being cared for at the moment...and what the problem is, we can probably help you
Where are you located? Vandas need lots of water and light. Water is THE most important factor for vandas as they have no place to store it...we must supply it to them. Here in Florida, that means watering the roots till they are thoroughly green every single day, sometimes more than once a day in summer.