Advice needed. I built a small terrarium for isopods. How often should I spray the plants down? Is it ok for springtails if the charcoal layer is below the white rock? :
Mosser Lee 2.25 Qt. Dry Horticultural Charcoal 0810 - The Home Depot
DIY Found Moss Terrarium Idle Hands Awake
Activated Carbon Pellets for terrarium • 200 g bag – urbanjngl