Bottle Biosphere Guide !!link!!

A successful biosphere mimics Earth’s layers and natural cycles within a sealed container.

Step 8: The "Shakedown" Period (Days 1–7)

Place the bottle in bright, indirect sunlight (no direct sun—it will cook the plants like a magnifying glass). Over the first week, you will see condensation form on the glass during the day and disappear at night. This is normal. Bottle Biosphere Guide

of sterile potting soil or a mix of coco fiber and charcoal. : Humidity-loving species like spider plants : Optional decomposers like springtails to manage mold Step-by-Step Construction Guide Bottle Biosphere Educational Project Overview 2017 A successful biosphere mimics Earth’s layers and natural

Part 1: The Science Behind the Glass

Before you build, you must understand the "Engine" that runs your biosphere. A functioning biosphere relies on three distinct zones working in harmony: Moist, shaded mix (closed): moss + baby fern + fittonia

| Symptom | Cause | Solution | |---------|-------|----------| | Cloudy water | Bacterial bloom | Wait 1–2 weeks — usually clears naturally | | Mold on soil | Too humid, low springtails | Open for 1 hour to reduce moisture; add springtails | | Yellowing plants | Insufficient light or nutrients | Move to brighter indirect light; ensure decomposition is active | | Algae overgrowth | Excess nutrients or light | Reduce light duration; add more snails | | Foul smell (rotten eggs) | Anaerobic bacteria | Open immediately — system failing; restart with less organic matter |

Suggested plant combinations

This paper is released under a Creative Commons BY-NC-SA license for educational use.