Lava Rock is a great media for drainage and water retention. It is a replacement of Clay Pebbles and Lava rock has neutral Ph. It can be used many times at hydroponic culture after washing.
There is no weed problem. Thermal temperature control around the root protects it from heat and cold and keeps the oxygen rate high around the root providing healthy root formation. This provides the plant to grow more vigorous. It is useful for water economy, prevents evaporation of water, creates low energy costs. Provides higher quality water to the roots. It provides faster growth of microorganisms that make the nitrogen in the soil water-soluble so that the plant can take it. Long-lasting structure (arrangement of soil grains) Resistant to insects, fungi and plant diseases. It does not contain any toxic substances to plants, It is homogeneous, easy watering Low salt content Having a certain cation change It is very rich in chemical minerals. Can be used over and over again