I am new in this forum, and have alot to learn from everyone. As I need help quick please. Many Orchid food out there, very confused to me. which one is the best to choose from?should I choose the one high in phosphate? or high in nitrogen?? and what type of compose or soil is the best?someone planted orchid in pot with few pieces of charcoal nothing else in it? and why? your help is greatly appreciated. thank you.