Yeah, generally a bad idea. In the vid we're doing we did indoor with an exhaust fan for some of the extractions for ease of filming but unless you're moving quite a bit of air it should be done outdoors.
Fortunately i have invented a hand held extractor that is completely sealed, safe and recycles the butane....as soon as we are done with the manufacturing i planned on advertising here at GK....maybe even throwing in a hash master discount
ounds fantastic Stash but my guess is it will be more than I can afford. Somat just stick with a bubble run.