"Compost",
"Coco Husk",
"Sphagnum Moss",
"Orchid Focus Feed",
"Superthrive vitamin-hormone",
"Mineral Magic clay powder organic matter",
"Diamond Nectar Fulvic Acid",
"Bio Essentials micro nutrients",
"Clonex rooting gel",
"Hydroton Clay Pellets",
"Superdrive natural additive",
"Humic Acid Concentrate Liquid"

"AAAAAAAAARRRRRGGGGGGGHHHH!"... I read orchids were easy to grow; this
list I've found complicates it all... My idea of growing plants was
'seed/bulb', 'dirt', 'water', 'light' & 'time'...

Is the above list necessary? What are their merit?