i like to pasteurize my coco in a 5gal bucket... get a bunch of coco in a paint strainer bag and tie it off; toss 4 gals of boiling water in bucket on top of bag; cover and let sit for 90mins... take bag out and drain... let coco come to the temp of the room you're gonna keep em in and away you go and no worry of gnats or bugs; tap roots are delicate