whats the best butane to use?

[mikeb437]

what would be the best butane i can use to make oil? i tried 'lucienne" and wondering if theres something better. when i spray this on a glass surface, it leaves a residue. to my knowledge, the good butanes shouldn't leave a residue.

 

[Papa_kush]

anything 5x refined

 

[mikeb437]

this is quad refined, but it still leaves shit on the glass..

 

[logic]

its called search!