Black Allure Riverbed takes its cue from the icy torrents and rugged riverbanks of the Pyrenees. A pristine blend of pale Heaven Sand, dark gravels, and smooth pebbles forms a striking substrate that channels crystal-clear waters over obsidian-like stones. Each element — light sand grains dancing under water, shadowy gravels tracing the flow — crafts an interplay of light and dark that adds dynamic depth to your aquatic scene.

Anchoring this luminous riverbed, the Black Venom Boulder Kit supplies bold, charcoal-black stones with polished surfaces and organic shapes, evoking hefty glacial erratics smoothed by centuries of rushing currents. Their commanding presence defines focal points and frames your water's path, while the nutrient-rich Dark Thick Artist Florabed weaves in dark, grey undertones and supports lush plant growth.

Non-toxic and inert (aside from slight hardness effects from the boulders), every component is pre-washed and ready to lay down. Whether you're sculpting gentle slopes or carving deep channels, Black Allure gives you the tools to reimagine a wild mountain stream in your own tank.

One Universal River Kit. Infinite Aquascapes.

Your WIO River Kit is the ultimate canvas for global aquatic artistry. Designed as a Universal Base, it distills the raw beauty and soul of rivers, lakes, and streams worldwide — so you can create with freedom, not limits. Craft a stunning aquascape or transform it into a lush biotope with region-specific flora, fauna, and botanicals. It's that simple. Just boundless creativity.

Dream aquascapes or wild biotopes — achieving them has never been this simple, this versatile, this uniquely WIO.

Key Points

• High-contrast palette — pristine white Heaven Sand against charcoal Black Venom Boulders
• Evokes the icy torrents and rugged riverbanks of Pyrenean mountain streams
• Black Venom Boulders deepen to pitch-black when wet for dramatic visual impact
• Dark Thick Artist Florabed supports healthy plant growth
• Pre-washed and ready to use
• Available in Box (tanks up to 60 cm)
• Safe for fish, shrimp, and other aquatic animals

*Pieces, colours, sizes and shapes of stones may vary. Plants not included.

Available from Cuboid Nature Aquarium — Authorized Retailer for WIO.