Dark Ryuoh Nano Stone

WIO Dark Ryuoh Nano Stone, is the miniature version of one of the most iconic aquascaping stones-prized for its powerful aesthetics and dramatic mineral veining. With deep graphite-black tones and bright white lines, each stone is a sculptural piece that enhances depth, tension, and definition in aquascapes under 40 L.

Its rugged texture and raw edges evoke ancient mountain ridges or shadowy ravines, making it ideal for strong Iwagumi compositions, layered cliffscapes, or as bold accents alongside wood and plants. Sized between 3 and 10 cm, these nano stones offer precision and presence in any small-scale design.

Each piece is 100% natural, pre-washed, and safe for all aquatic and terrestrial life. Whether you're working on a nano aquarium, terrarium, or paludarium, Dark Ryuoh Nano Stone delivers sculptural strength in miniature form.

• Color: Deep graphite-black tones with vivid white quartz veins
• Nano Scale: Sized ≈ 3–10 cm, ideal for tanks under 40 L / 10 gal.
• Iwagumi-Ready: Bold texture and edges for minimalistic power layouts
• Dramatic Contrast: High visual tension in compact spaces
• Pre-Washed: Clean and ready to use, no soaking required
• Raw Texture: Rugged, jagged surfaces for realism
• Safe: Safe for fish, shrimp, and sensitive species
• Water Chemistry: Calcareous-may raise pH and hardness over time
• Versatile Use: Perfect for aquariums, terrariums, paludariums, and bowls
• Packaging: 2 kg bag with mixed-size stones
• Pairing Tip: Combine with smooth stones or wood for high contrast scenes. For natural stone transitions and intricate details, including stone slides, add WIO Accents Dark Grey Chips.

• Preparation
  – Rinse briefly to remove any transport dust.
  – No soaking required-pre-washed and dust-free.
  
   
• Placement Tips
  – Start with larger stones, then layer smaller ones for depth.
  – Place over substrate-avoid direct contact with bare glass.
  – Leave space from glass walls for easier maintenance.
  – Use WIO ScapeGlue and FuseColor for stability and cohesion.
  – Always check stability of stacked stones in livestock tanks.
  
   
• Layout Ideas
  – Iwagumi-style layouts with strong shadows and contrast.
  – Combine with moss or fine-leaved plants for visual relief.
  – Use as accent stones to enhance terrain definition.
  
   
• Maintenance Idea
  – During cleaning, gently use WIO cleaning tools to lift any debris from stone surfaces.
  – Control any alterations in pH and kH by regular water changes with osmotic or soft water, or by using WIO water treatments.

Notes
– Each bag contains a unique mix-expect natural variation in shape, color, and texture.

For detailed tips on design, bonding, and composition, visit the WIO Nano Stone FAQ Section.