ECA - 8-15 mm -For Bottom Layer Label_Bestseller Expanded Clay Aggregate (ECA) is

Expanded Clay Aggregate (ECA) is made from mining clay and also have a ceramic property

Also does well in containers

Not tolerant of heat

Compact Decorative Hose Storage for Balcony & Garden

you need a good quality fertilizer

ECA - 8-15 mm -For Bottom Layer Label_Bestseller Expanded Clay Aggregate (ECA) isDrainage Balls for Pot Base Expanded Clay Aggregate (ECA) is made from mining clay and also have a ceramic property. It will not compress, decompose, or react with agricultural or horticultural chemicals. It is good for terrace gardening, where weight is most important parts in building. It provides proper amount of oxygen to roots growth and has 18 to 22% water absorption which is excellent for water retention while excess water will be drained out.