Stop the Fuzz: 7 Closed Terrarium Mistakes That Cause Mold and How to Fix Them
I remember proudly snapping the lid onto my first closed terrarium and waking up a week later to a foggy jar with white fuzz creeping over the moss. I see the same thing on friends’ shelves: great plants, beautiful glass, and a slow slide into mush. Mold is predictable in closed terrariums when a few…









