Pillipedes (pill millipedes) thrive in a humid enclosure with deep substrate made of organic soil, leaf litter, and decaying wood, which also provides much of their diet. They benefit from regular misting, Money Plant Green Small Pot Orchid Tree The 392 Year Old Bonsai That Survived Hiroshima CoirNet 5 Gallon coir pot Fungus gnats don't stand a chance when you do this. Dry out the soil Add a dry top layer Treat the soil to kill the larva That's the exact playbook I've used How to Grow Potatoes in Containers in 8 Simple Steps