WIO Darwin Black Lava Stone Kit is a unique and visually striking volcanic rock that is ideal for use in aquariums and terrariums. This porous stone is rich in minerals and has a rugged texture that makes it perfect for creating natural and aesthetically pleasing aquatic and terrestrial landscapes.

The rock's dark coloration, created by a combination of black and dark grey tones, provides an intriguing contrast with the brighter colors of aquatic plants, mosses, and the fauna within the habitat. The porous surface of Darwin Black Lava Stone is perfect for beneficial bacteria and microorganisms to grow and thrive, making it an excellent option for establishing a bioactive environment in aquariums, terrariums, and vivariums — essential for maintaining healthy ecosystems.

The rough texture provides the ideal surface for epiphytic plants such as Anubias and mosses like Java Moss, creating a natural-looking landscape that mimics the environments of many aquatic and terrestrial organisms. Its porous nature allows it to absorb and release water quickly, making it an excellent choice for planted tanks, humid habitats, and setups that require high moisture levels. This inert stone does not harden water, making it ideal for sensitive aquatic animals and plants.

Key Points

• Jet-black lava stone with high texture and crevices
• Provides striking contrast with plants in aquariums
• Highly porous texture provides excellent support for mosses and epiphytic plants
• Complements wood very well for Ryoboku style and for terrariums
• Does not harden water — ideal for sensitive aquatic animals and plants

Characteristics

• Type: Igneous volcanic stone
• Color: Jet-black
• Texture: Highly textured with crevices and irregular forms
• Stone size: Mix sizes from 5 to 30 cm
• Water Hardness: Does not affect water hardness — inert and safe for all aquatic life

Availability at Cuboid Nature Aquarium

• Nano Box — 3 kg (6.6 lb): WIO's curated size mix, hand-selected assortment of stones from 5 to 30 cm
• Box — 6 kg (13 lb): WIO's curated size mix, hand-selected assortment of stones from 5 to 30 cm
• In-Store: Visit us in Pipersville, PA to hand-pick individual stones by the pound — choose exactly the pieces and sizes you want for your layout

Usage

• Suitable for both aquatic and terrarium environments
• Rinse rocks and stones with water before use; use a brush to clean before introducing to the aquarium
• Avoid placing rocks directly on the glass — place substrate or WIO LandForms beneath the hardscape first
• Always secure stones, especially when stacking; use WIO ScapeBound to prevent movement during maintenance
• Position stones a few centimeters/inches away from aquarium glass walls to facilitate maintenance
• Safe for fish, shrimps, and other aquatic animals

Available from Cuboid Nature Aquarium — Authorized Retailer for WIO.