LECA is an acronym that stands for lightweight expanded clay aggregate.  

Sizes can vary

They are clay balls made from fired clay and shale that are optimized to promote the growth of healthy plants. These clay balls are lightweight and provide excellent aeration and water drainage to the media. They are inorganic so there is no need to worry about media breakdown and acid fluctuation. 

Note: Heavy item for shipping. We will automatically use Ground Shipping option if the order is non-perishables only to reduce cost. Contact if you need a quote.