lava rocks for plants
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Red Lava Rock Bulk
1. Volcanic rock is used to cover the surface of flower pots, which can reduce water volatilization, prevent soil from splashing when watering, and can also retain water and fertilizer, and absorb harmful substances. 2. Volcanic rock is used as a bedding at the bottom of the flower pot, which can enhance the aeration of the substrate and speed up water seepage. 3. Volcanic rock and peat, leaf humus, coconut peat and other planting media can be mixed as planting nutrient soil.
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