Sol Soils LECA BallsLECA (Lightweight Expanded Clay Aggregate) is becoming one of the most popular and versatile substances in horticulture. As a soil component or medium, it retains moisture while providing excellent drainage for excess water. Many of our customers use LECA in a clear container of vase and put node or leaf cuttings into the LECA and keep the container roughly 1 3 full of water to watch the propagation root quickly and know right away when it's ready for