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BeginnerFor terrariums sizes S to XL

Terrarium refill, with or without moss, sizes S to XL

4.8·30 reviews from our supplier

Everything that goes under the plants: potting soil, clay pebbles and activated charcoal, with or without fresh moss. Two sizes, chosen by the diameter of the container.

€20.90Shipping €8.90, free from €69In stock · Delivery · 🇫🇷 France · 2–9 business days
SizeS and M
MossWith moss
1
  • Arrives alive, guaranteedPlants wedged in a breathable bag, glass protected separately. A damaged plant: send a photo within 24 h and we send a new one.
  • Free delivery from €69🇫🇷 France · Delivered 2 to 9 working days after dispatch. Ships Monday to Wednesday.
  • 30 days to change your mindExcept live plants.

Specifications

Everything that goes under the plants, in the right order and the right quantities. Use this refill to build a new terrarium or to redo a tired one, without buying each layer separately.

Full description and specifications

Choose your refill

  • Size — read it from the diameter of the container. S and M: 10 to 20 cm. L and XL: 20 to 30 cm.
  • Moss — with: cushions of fresh moss to cover the soil. Without: you already have your moss, or your terrarium is open.

What the refill contains

Sizes S and M:

  • Terrarium potting soil — 0.75 L
  • Clay pebbles (drainage) — 0.75 L
  • Activated charcoal — 35 g with moss, 25 g without
  • Fresh moss — 2 cushions, in the version with moss

Sizes L and XL:

  • Terrarium potting soil — 1.75 L
  • Clay pebbles (drainage) — 0.75 L
  • Activated charcoal — 35 g with moss, 25 g without
  • Fresh moss — 3 cushions, in the version with moss

Each refill also contains the 5-step assembly guide (FR, EN, DE, NL, ES, IT) and a care sheet. The moss is alive: build the terrarium within 48 hours of delivery.

The order of the layers

  1. Clay pebbles at the bottom — excess water drains down and does not rot the roots.
  2. Activated charcoal on top — it filters the water and holds odours.
  3. Potting soil — the plants root in it.
  4. Moss and plants on the surface.

What is not included

No glass container and no plants. Buy them separately.

Level
Beginner
Size
For terrariums sizes S to XL
Material
Potting soil, clay pebbles, activated charcoal, optional moss
Sizes
S and M (Ø 10 to 20 cm) · L and XL (Ø 20 to 30 cm)
Potting soil
0.75 L (S and M) · 1.75 L (L and XL)
Clay pebbles
0.75 L
Activated charcoal
35 g with moss · 25 g without
Moss
2 cushions (S and M) · 3 cushions (L and XL) · or none
Container and plants
not included
Reference
16830.RF0010
SizesS and M (Ø 10 to 20 cm) · L and XL (Ø 20 to 30 cm)
Potting soil0.75 L (S and M) · 1.75 L (L and XL)
0.75 LClay pebbles
Activated charcoal35 g with moss · 25 g without
Moss2 cushions (S and M) · 3 cushions (L and XL) · or none
Not includedContainer and plants
This kit uses itMoss and light kitA closed terrarium of 4.5 litres, all in moss: Ø 17 cm bottle with an LED cork, 8 cushions of live moss and the filling. The simplest of our kits.See the kit · from €64.902 versions

Reviews from our supplier's customers

4.8 out of 530 reviews from our supplier

Reviews written on urbanjngl.com by customers of our Dutch supplier, for this same product. They are not reviews from Small Eden customers. Translated automatically.

Wonderful “Everything went perfectly, timing was really good and the terrarium arrived safe.”

Stella M.September 30, 2026

Satisfied “High-quality glass terrarium and related accessories. Fast delivery and excellent service. Very satisfied with my purchase.”

Giancarlo A.February 26, 2026

All good “Fast delivery, very well packed, the instructions easy to understand, items are of very good quality! Thank you very much!”

KerstinFebruary 18, 2026

Hello, I'm reviewing my whole order here o... “Hello, I'm reviewing my whole order here of almost €90. I've ordered several times already and am more than satisfied. Great service, a defective lid was replaced immediately and the prices are also great! I was eagerly waiting for my big order and wasn't disappointed, the plants look vibrant and perfectly healthy and I'm really looking forward to designing my gardens. Always happy to order again! Best, Sabrina”

AshlynnJanuary 23, 2026

All good! “Product was exactly as described and the moss was fresh and plentiful. It fitted perfectly in my jar. Great value and I would definitely order again.”

IlziJanuary 10, 2026

“Everything arrived well packed and of great quality. Thanks!”

Wolfgang S.November 7, 2025

Often bought together.

Works with.

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Which refill for my terrarium?

By the diameter of the container. A size S or M takes the "sizes S and M" refill. A size L or XL takes the "sizes L and XL" refill.

Is the moss alive?

Yes, it is fresh. Build the terrarium within the 48 hours following delivery.

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A kit is the easiest way to start: the glass, the plants, the soil and the guide arrive together.