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Clay pebbles/LECA Balls – 15 Kg
These are balls of baked clay that were made by heating clay at 1,200 °C. They are available in different sizes and densities. It is a medium to grow plants like tomato, capsicum, cucumbers hydroponically without soil. LECA balls are chemically inert and inorganic – with a neutral ph. The soaked leca balls in such as system water the plants passively through the capillary effect.