LECA Clay Balls
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LECA (lightweight expanded clay aggregate) is the ultimate lightweight drainage material that’s good to your plants and your glassware. These low-density, high-strength, absorbent clay balls make an ideal foundation for your terrarium - able to reliably support your layers and buffer any overwatering mishaps.
Keep out of reach of small children and pets.
Key Benefits
LECA: Maximum drainage, minimum weight
Bid farewell to the fear of cracked glass. LECA provides all the function at a fraction of the weight of traditional drainage materials.
Unlike your average rocks, these porous powerhouses mop up excess water, which can then be accessed by your plants when they need it. Win-win.
Not only are LECA balls infinitely reusable, they’re also a tried-and-tested hydroponic growing medium for your cuttings and houseplants.
FAQ
Have a LECA question? We're here to help.
Check out the most common questions our customers ask. Have questions about something else? See our dedicated FAQ page!
Do I need to wash this LECA?
You wouldn’t cook your rice without giving it a wash. Give your LECA a quick rinse or two before putting it in your terrarium to minimize the dusty clay residue.
How thick should my drainage layer be?
For most closed terrarium projects, an inch is enough for a drainage layer. For larger installations and vivariums, you may want to increase that to two or more.
Do I need a mesh layer on top?
A mesh layer is a great way of keeping your false bottom functional for longer. Without one, the plant’s roots will eventually grow into the LECA layer, defeating the purpose.
Can I reuse LECA?
Absolutely! We recommend giving it a rinse between uses, but otherwise, it’s good to go.