manufacture

Whats a good way to remove azetropes from a distillate other then water distillation or thin film

I seraching if for cob led and had a little email here and there. and I decided to grap BC blondes 900 it fits my 5X5 tent that's all I'm not in US bcblonde say it will be ship from china all LED companies are manufacturing in china I didn't know that. northengrowright said so and johnsons grow...