Inside in a 4x4 tent. The volcanic rock is keep the coco from drying too fast and dust. Also to soak them up with insecticide and neem haha 
the seeds are from ILGM grow time is 10-14 weeks from seed. I also mixed the smaller more porous pieces if volcanic rock in the coco mix, read it was really good. And no havent grown this one and fairly new to every strain tbh haha