Emerald Sand brings a rare and distinctive natural beauty to your aquascape — rich green-toned grains that evoke moss-covered riverbeds, mineral-rich highland streams, and the tranquil forest floors of ancient landscapes. Its unique color is a striking departure from conventional substrates, creating an instant sense of depth and natural wonder.
The subtle interplay of green hues across varying grain sizes gives Emerald Sand a living, textured quality that shifts with light and viewing angle. It creates a captivating foundation that highlights the vivid colors of fish and invertebrates while harmonizing beautifully with green plants, dark woods, and volcanic stones. Whether you are building a lush planted aquascape, a mossy terrarium, or a natural biotope, Emerald Sand adds a layer of natural authenticity that is impossible to replicate with ordinary substrates.
The WIO Difference:Sands perfected, simply authentic. As with all WIO sands, Emerald Sand is worry-free: inert, pH-neutral, hardener-free, CO₂-proof, and light-resistant, ensuring a stable environment for any inhabitants.
Key Points
- Color: Rich green tones — evokes moss-covered riverbeds and mineral-rich highland streams
- Results: Creates a distinctive, nature-inspired foundation that adds depth, character, and a rare natural aesthetic to any scape
- Grain Size: Natural blend ranging from 0.1–4 mm for an organic riverbed feel
- Worry-Free: pH-neutral, hardener-free, CO₂-proof, and light-resistant
- Safety: Safe for all inhabitants — fish, shrimp, and more
- Versatile: Perfect for aquariums, paludariums, and terrariums
- Packaging: Available in 2 kg bags
Characteristics
- Type: Natural cosmetic sand
- Color: Rich green tones
- Grain Size: 0.1–4 mm natural blend
- Water Chemistry: Inert — pH-neutral, does not affect water parameters
Availability at Cuboid Nature Aquarium
- 2 kg Bag
Usage
- Pre-washed and ready to use, though additional rinsing can be done to ensure cleanliness
- Spread the sand evenly along the bottom of your empty tank or terrarium; pour gently from a low height to avoid scratching the aquarium glass
- Use on its own for a natural base, or combine with other WIO sands and gravels for a custom substrate look
- Arrange rocks, driftwood, and plants to create a harmonious and captivating environment
- When filling the tank, pour water carefully avoiding direct flow onto the sand — Pro Tip: pour over a plate or décor to minimize disturbance
- Use a net to skim any floating particles, then turn on the filter and watch the remaining cloudiness disappear within a few hours, leaving a clear, natural finish
- For maintenance, regularly vacuum clean the sand with every water change to remove any accumulated debris or algae
Available from Cuboid Nature Aquarium — Authorized Retailer for WIO.






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