Layer thicknesses for proper drainage and root health.
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Closed glass terrariumsHinged-lid or stopper-top glass terrariums hold humidity for tropical moss and fern builds. Geometric shapes look sharp but round bowls clean easier.
Substrate + drainage layerA false bottom of lava rock + activated charcoal + ABG-style substrate mix. Don't use potting soil — anaerobic rot kills closed builds.
Fine-mist spray bottlesChapin and Flairosol put out a true fine mist that doesn't disturb moss or knock over miniature plants. Kitchen spray bottles are too coarse.
Full-spectrum grow lightFor windowless setups: 6500K LEDs on a timer. Nicrew and Barrina T5 bars fit most shelf arrangements without overheating small glass enclosures.
![[2] 6×9 Bags Sheet/Fern/Mood Moss Assortment for Terrarium Vivarium Fairy Garden](https://i.ebayimg.com/images/g/fzcAAeSwLydpyeGd/s-l500.jpg)
Live miniature plants + mossSelaginella, baby tears, and spike moss are the workhorses of a closed tropical build. Sheet moss for coverage; cushion moss for texture.
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