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.
ECA has neutral Ph value, Termite Free, Blocks Algae and Fungus and also keeps mosquitoes and Gnats away. It helps to prevent soil cracking and crushing. ECA is clean, odourless, and contains no toxic minerals.
To be used in drainage layer, make 1-2 inch bed in pots