WIO Nano Boulder - Druid

WIO Druid Boulder Nano Stone brings dark energy, primordial atmosphere, and rich volcanic texture to your scape — highly detailed igneous boulders with irregular forms, holes, and a deeply textured surface, perfectly scaled for nano compositions that evoke aged, ancient landscapes.

Druid Boulder Nano Stone carries the same volcanic igneous character as the full-size Druid Boulder — a dark, porous rock with irregular forms and holes that add immediate naturalistic depth to any layout. Its highly detailed texture makes it an ideal support for mosses and epiphytic plants, while the dark tones create a perfect complement to driftwood in Ryoboku-style compositions. High water retention also makes it an excellent choice for humid terrariums and paludariums.

Sized between 3 and 10 cm, ideal for nano tanks under 40L. Fully inert — does not affect water hardness. Pre-washed and ready to use.

Key Points

• Color: Dark to black volcanic tones
• Nano Scale: Sized 3–10 cm, ideal for tanks under 40L / 10 gal
• Highly Detailed: Irregular forms with holes and porous volcanic texture
• Plant Ready: Ideal support surface for mosses and epiphytic plants
• High Water Retention: Ideal for humid terrariums and paludariums
• Pre-Washed: Clean and ready to use, no soaking required
• Water Chemistry: Inert — does not affect water hardness
• Versatile Use: Ideal for aquariums, terrariums, and paludariums
• Safe for fish, shrimp, and amphibians

Characteristics

• Type: Igneous volcanic stone (boulder form)
• Color: Dark to black
• Texture: Highly detailed with holes and irregular forms
• Stone size: 3–10 cm
• Water Hardness: Inert — does not affect water hardness

Availability at Cuboid Nature Aquarium

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

Usage

• Rinse briefly before use to remove any transport dust — pre-washed and ready for direct placement
• Use larger boulders as dark anchors; blend smaller pieces near wood or moss for primordial atmosphere
• Place over substrate or WIO LandForms — avoid direct contact with glass
• Use WIO ScapeBound to secure if needed
• Ideal for Ryoboku-style nano layouts and dark, aged atmospheric compositions
• 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

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