Are you still using newspaper/paper towels or did you switch to something else? I've been baking my substrate to help get rid of some of the excess humidity, plus keep any nasty bacteria/bugs at bay. I ran into a similar issue when I didn't bake it at a high enough temp, although my regular ambient humidity around the house is closer to 45, 50%. If you're wanting to do coco husk, maybe cook it in the oven for about an hour, maybe two, at 300 degrees F? Seems to help keep the substrate dry-ish but not dusty for me. (The top layer dries out under my CHE so it lowers the humdity from 75% to about 60% on the hot side. Cool side maintains a 70%. Love it).Originally Posted by ckuhn003
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