Lightweight terrarium drainage layer
Leca, drainage substrate for terrariums and houseplants
Terrarium layering for drainage
Regular price£1.75
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Processing Time

1-2 business days

Shipping Time

UK: Tracked 1-3 days

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  • Free UK shipping on orders over £50
  • In stock, ready to ship
  • Inventory on the way

LECA, or Lightweight Expanding Clay Aggregate, is an exceptional option when crafting your terrarium. It's also a popular medium for potted plants and hydroponics.


  • A high amount of drainage yet retains water; enough to return to roots when needed.
  • Lightweight (protects the glass and makes moving easier)
  • Environmentally friendly
  • Incredibly durable under pressure
  • Promotes aeration within your ecosystem
  • Does not rot or decompose over time
  • Popular alternative growing medium
  • Ideal for hydroponics

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So, What Does What?

Each layer serves a purpose.

Leca, sand and gravel can function as drainage elements and top-level decoration.

Activated charcoal absorbs harmful toxins and chemicals that may find their way into your ecosystem.

And finally, substrates provide nutrition, nutrient delivery, water retention and aeration - to make your ecosystem whole.

White Gravel For Terrariums
How to Ship Terrariums


Postage & Packaging

All of our deliveries are tracked end-to-end and we offer free UK
on orders over £50.

We'll always use biodegradable, recycled
or recyclable packaging.

Also, we go two steps further by planting a tree for every
order - as well as off-setting carbon emissions.

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