What Causes Mould in Terrariums? Mould is common in closed terrariums, especially in the first few weeks. It thrives in warm, moist environments — exactly what your terrarium offers. Mould often appears on decaying leaves, wood, or soil surfaces. Is Mould a Problem? How to Manage Mould Springtails to the Rescue Springtails are your best…

Why Lighting Matters Lighting is one of the most important factors in keeping your terrarium healthy. Terrariums need indirect, filtered light to support plant growth without overheating or drying out the enclosure. Ideal Light for Closed Terrariums How to Tell If It’s Getting Enough Light Artificial Light Options Grow lights can help if your space…

Why Watering Is Different in Closed Terrariums Closed terrariums are self-contained ecosystems. Once set up correctly, they create their own humidity cycle: water evaporates, condenses on the glass, and returns to the soil. This means they rarely need watering — and overwatering is actually more harmful than underwatering. How to Tell If It Needs Water…

What Are Isopods? Isopods, often called ‘slaters’ or ‘rolly-pollies’, are small land crustaceans that love damp, dark environments. Varieties like Grey, Orange, and Powder Blue are popular for terrariums thanks to their hardiness and their role as decomposers. They consume larger organic debris like rotting moss, fallen leaves, and dead plant matter — keeping your…

What Are Springtails? Springtails (Collembola) are tiny, harmless decomposers that thrive in moist environments. In closed terrariums, they help break down mould and decaying matter, maintaining a clean and balanced mini ecosystem. You might spot them as tiny white specks crawling along the glass or substrate. They’re helpful microfauna that act as a natural clean-up…