WIO Decor-Gravels Silver Shadow

WIO Decor-Gravels Silver Shadow

  • Natural riverbed substrate
  • Silver grey colouring
  • Does not harden water
  • In 3 different grain sizes
  • Ideal for riverbed impressions
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Silver Shadow Gravel from the WIOdecor Gravels series by the manufacturer WIO is a natural soil substrate with a texture and colour similar to broken slate. When wet, it has a silvery-grey sheen and colour accents ranging from anthracite to black.
Silver Shadow Gravel is particularly suitable for creating contrasts with green plants and bright sand. The fine grain size allows various applications in the aquascape. In combination with the Silver Shadow Nano Rocks , the result is an atmospheric layout that looks fantastic as part of a stream or waterfall biotope.



  • Anthracite to black look
  • Texture similar to crushed slate
  • Does not harden the water
  • Available grin sizes 1 - 20, 1 - 40 & 20 - 40 mm
  • Natural look
  • Available in 2 kg containers


All WIOdecor gravel types are pre-washed. Nevertheless, the manufacturer recommends briefly rinsing the gravel with cold water before use to wash off any abrasion caused by transport. This also prevents grains of sand from floating up when the aquarium is filled.



WIO's products aim to bring nature into people's daily lives.
WIO designs and delivers products that enable customers to create small to medium sized natural landscapes that stimulate them, reconnect them with nature, and at the same time improve their well-being. Their team of designers, makers and natural artisans create unique products that allow people to fully enjoy nature in their daily lives. The products are designed for the most demanding customers with a special sensitivity to nature, well-being, ecology, design, art and excellence.

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