Leca® is a Lightweight Expanded Clay Aggregate, formed by the heating and firing of clay in a rotary kiln, at temperatures of up to 1150°C. The process transforms the clay into various lightweight ceramic pellets, which have a hard ceramic shell and a porous core. Leca® is the world leader in horticultural, agricultural & hydroponic substrates and your first choice in lightweight building aggregates.
Benefits of Leca® • pH neutral • stable & durable • anti-fungal • resistant to insects • saves water • lightweight • stimulates root growth
