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VOLCANIC MATERIALS AND COLOURED AGGREGATES VOLCANIC SAND: A silica
sand of volcanic origin with a large grain size that improves the dranaige
of substrates and avoids the loss of moisture in open sunlight culture. BLACK VOLCANIC ROCK: Black volcanic rock of diferent particle and application:6-16 mm for drainage and construction; 16-25 mm decoration of gardens, mulch and anti-erosion; 25-40 mm thick mulch, anti-erosion and weed control. BLACK VOLCANIC: A black volcanic stone with particle size of over 40 mm for dranaige in construction and decoration of gardens and terrariums. COLOURED AGGREGATES: Ideal for decorating gardens and open spaces. Green,
pink and red gravel are available, as is white marble dust. |