4LBS Natural Expanded Clay Pebbles - It is lighter than ordinary soil, not broken after soaking, not easy to blow away, inert, pH-neutral, clean & decorative.
6 - 18mm Clay Ball - The size of the pebbles is perfect for small to medium pots and garden plants .
Hydroponics Supplies - The clay pebbles porous structure provides excellent aeration for plants hydroponic. And prevents rotting, excess acidity. It stores nutrients like water and releases them to the roots .
Great Growth Media - Filter water quality, retain water and nutrients.Combined with other soils media can activation soil,improve plant survival and soil fertility .
Environment Protection - The clay pebbles is clean, tidy,dust free and no odor, Now It has been widely used in soilless cultivation of roof garden and lawn.It can be reused after cleaning.
