WIO Millennium Nano Stone brings timeworn beauty, aged texture, and a grounded natural presence to your scape — calcareous limestone in earthy greys and browns with cracked, creviced faces that evoke ancient cliffs and highland terraces, perfectly scaled for nano compositions.

Millennium Nano Stone brings the essence of timeworn landscapes into miniature form. Its unique surface structure, reminiscent of cracked cliffs and ancient highlands, adds depth and realism to any compact layout. The mix of earthy greys, dusty warms, and faint dark hues creates a mellow, natural atmosphere that blends effortlessly with wood, moss, and foliage. Whether crafting a high-detail Iwagumi scene or a tranquil woodland streamscape, Millennium Nano Stone provides the grounding presence of ancient terrain in every piece.

Sized between 3 and 10 cm, ideal for nano tanks under 40L. Calcareous by nature — may raise pH and hardness over time; routine water changes keep parameters steady. Each rock is 100% natural and pre-washed.

Key Points

• Color: Earthy greys and browns with subtle greenish tones
• Nano Scale: Sized 3–10 cm, tailored for tanks under 40L / 10 gal
• Aged Texture: Cracked, creviced surfaces evoking natural erosion
• Natural Harmony: Perfect match for woods, moss, and soft plants
• Pre-Washed: Clean and ready for immediate use
• Water Chemistry: Calcareous — may raise pH and hardness over time
• Versatile Use: Suitable for aquariums, terrariums, paludariums, and bowls
• Safe for fish, shrimp, and sensitive species
• Pairing Tip: Use with organic driftwood or mossy elements for timeless scapes

Characteristics

• Type: Natural limestone (calcareous)
• Color: Earthy greys and browns with subtle greenish tones
• Texture: Cracked and creviced surfaces with aged, eroded character
• Stone size: 3–10 cm
• Water Hardness: Calcareous — may raise pH and hardness over time; regular water changes maintain stability

Availability at Cuboid Nature Aquarium

• 2 kg Bag: Assorted mix of stones, 3–10 cm

Usage

• Rinse briefly before use to remove any transport dust — pre-washed and ready for direct placement
• Start with the largest stones as anchors; combine multiple textures and sizes for realism
• Place over substrate — avoid contact with bare glass
• Use WIO ScapeBound for secure placement; always test stability in livestock tanks
• Ideal for Iwagumi-style compositions, ancient valley scenes with mossy accents, or Zen garden-inspired layouts
• Control any alterations in pH and kH by regular water changes with osmotic or soft water
• Safe for fish, shrimps, and other aquatic animals

Available from Cuboid Nature Aquarium — Authorized Retailer for WIO.