Bottle Biosphere Guide ✦ Verified Source

Condensation should show clear cycles—present during warm parts of the day, clearing at night. Add or remove moisture by opening as needed.

Reality: Earthworms need more space and organic matter than a bottle provides. They will die and rot. Springtails are the correct decomposer.

Choose a . Tinted glass filters too much light. It must have a lid or stopper (cork, glass cap, or rubber sealer) to create a perfect seal. Options include: Large mason jars Antique apothecary jars Wine bottles (for advanced creators) The Layers (From Bottom to Top) Bottle Biosphere Guide

Thoroughly clean your bottle with hot water. Avoid strong detergents, as residue can harm the plants. Add Drainage: Pour in 1-2 inches of gravel or LECA 1.

Choose plants that love high humidity and low-to-medium light. They must be slow-growing and small. Sheet Moss or Mood Moss (great for ground cover). Ferns: Lemon Button Fern or Fittonia (nerve plant). They will die and rot

Selecting the right materials prevents mold outbreaks and root rot, the two most common causes of biosphere failure. 1. The Container

Test whether larger biospheres remain stable longer Tinted glass filters too much light

If creating a closed system, seal the container immediately after the initial misting. Use the provided lid, plastic wrap with a rubber band, or a cork stopper.

If the glass is bone dry, add a teaspoon of distilled water.

These Hawaiian shrimp are legendary for their longevity. One documented sealed jar contains shrimp added in 1999 that were still alive in 2019.

Proper drainage prevents root rot and anaerobic conditions. Your drainage layer should comprise 1-2 inches of: