WIO Nano Rocks - Millenium

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.

Inventory Accuracy

If this item is at low stock, or you are ordering all or almost all of our current inventory, there may be an inventory discrepency. We will contact you about any issues as soon as possible.

Order Processing

  Please allow 24 to
48 hrs to process your order.  Expect an
email within 48 hrs to let you know your order is on your way.

Store Pickup

  If you choose “Pickup
in Store” at checkout, an email will be sent when your order is ready for
pickup.  Orders can be picked up during
store hours, see our home page for our current hours.  The pick up address is 6637 Easton Rd,
Pipersville, PA 18947

Domestic Shipping Rates

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any, for your order will be calculated and displayed at checkout.