A 3-10 gallon glass carboy creates a stunning display but requires creative planting techniques.
Close the lid or cork. Wipe condensation off the glass so you can see inside. Place the bottle in indirect light (never direct sun—it will cook the contents like a greenhouse).
If using springtails, tap them gently into the bottle from their culture container. They will immediately burrow into the soil—this is normal. Bottle Biosphere Guide
Choose plants that thrive in high humidity, low air flow, and filtered light:
Sterile potting mix without fertilizer. Mix in some sand for drainage. Avoid garden soil which may contain pathogens or pests. A 3-10 gallon glass carboy creates a stunning
Fast-growing splashes of pink and green; requires occasional pinching. Background
Avoid tinted or textured glass, which blocks vital wavelengths of light. Place the bottle in indirect light (never direct
Choose slow-growing plants that thrive in high humidity and low-to-medium light:
A bottle biosphere—often called a closed terrarium—is a self-sustaining miniature ecosystem enclosed inside a glass container. Once sealed, this tiny world recycles its own water, nutrients, and air, allowing plants to survive for years with minimal human intervention.
Moisture evaporates from the soil and transpires from the plant leaves. This water vapor rises, condenses on the cool glass walls of the bottle, and drips back down into the soil like rain.
It is primarily found as an APK for Android devices.