Gardening Clay Pebbles / Orchid Hydroponic Grow Media. The last picture shows my actual plant with this clay pebbles as toppings. There are three size of clay pebbles mixed together. They are ~5mm(0.2"), ~2.5mm(0.1") and ~2"(0.08"). They can be used for in different ways: 1. soil topping to decorate your plant also avoid the soil splash during watering. 2. mix with soil to help water drainage and help root growing. 3. it is clean, not dusty. 4. It can be used as Hydroponic Grow Media. Let me know if you have any question.
