Bottle Biosphere Guide — Full 2021

Gently remove your plants from their original pots and shake off excess soil.

Lower them into the bottle and use tools to press the soil firmly around the roots.

: About 8 cm of high-quality potting soil or peat-free coir compost. For tropical plants, a mix containing sphagnum peat moss or coco coir is ideal. Step-by-Step Construction Guide bottle biosphere guide full

: Ensure your container is thoroughly cleaned and dried. Wide-mouthed jars are easier for beginners, while narrow-necked bottles offer a classic "ship-in-a-bottle" aesthetic but require specialized tools like long tweezers or chopsticks.

: A thin coating of activated charcoal over the pebbles. This acts as a filter to keep the water "sweet" and prevent the growth of odors or harmful bacteria. Gently remove your plants from their original pots

: A 3–5 cm base of small rocks, pebbles, or horticultural grit. This prevents water from pooling at the bottom and rotting the plant roots.

: Pour in your pebbles, followed by a layer of activated charcoal. For tropical plants, a mix containing sphagnum peat

: Use a funnel to add your potting mix. Ensure the soil is deep enough (usually 5–8 cm) to anchor your chosen plants. Insert the Plants : Poke a hole in the soil using a stick or dowel.