Adder Gravel

WIO Adder Gravel is a stunning and versatile addition to any aquarium or terrarium. Its pale-yellow to cream-colored stones, reminiscent of sun-warmed pebbles, create a soft and inviting ambiance. The smooth, textured surface of each stone reflects light beautifully, adding a touch of natural elegance to your aquatic or terrestrial landscape.   

What makes Adder truly special is its unique character. Each stone and pebble with its distinctive shape and texture, tells a story of nature's artistry. Use with Adder Boulders riddled with intriguing holes and fissures, perfect for anchoring epiphytic plants or offering cozy hiding spots for your aquatic or terrestrial inhabitants.   

Whether used as a standalone substrate or artfully combined with other sands and stones, Adder Gravel brings a touch of natural charm and sophistication to your creation.

Available in 2 kg bags (S and Mix sizes) and 5 kg bags (Mix size), this versatile gravel caters to a variety of aquarium and terrarium layouts. The S size ranges from 5-10mm, and the Mix size ranges from 5-30mm. Pre-washed for your convenience, Adder Gravel is ready to use right out of the bag.

See WIO Adder Gravel in action! Explore our gallery for inspiration.

• Color: Pale-yellow to cream, evoking the warmth of sun-kissed riverbeds.
• Gravel Size: Available in two sizes (S and Mix) ranging from 5-10mm (S), 5-30mm (Mix).
• Texture: Smooth and highly textured surface, reflecting light beautifully.
• Matching: White Adder Boulders and complements a wide range of natural pale hardscape elements.
• Results: Creates a soft and inviting ambiance, adding a touch of natural elegance to your aquascape or terrarium.
• Ready to Use: 100% pre-washed — minimal rinsing required.
• Safety: Safe for all inhabitants — fish, shrimp, and more.   
• Water hardness: May slightly raise pH and kH.   
• Versatile: Perfect for aquariums, paludariums, and terrariums; can be used as a standalone substrate or mixed with other substrates.   
• Packing: Available in 2 kg (S and Mix) and 5 kg (Mix) bags.
• Origin: Made in Europe, crafted with quality and authenticity in mind.

• Pre-washed: Ready to use, though additional rinsing can be done to ensure cleanliness.
• Gravel Placement: Spread the pebbles evenly along the bottom of your empty tank or terrarium. Pour the gravel gently from a low height to avoid scratching the aquarium glass.
• Standalone or Mixed: Use on its own for a soft, natural base, or combine it with other WIO sands and gravels for a custom substrate look.   
• Decorate & Plant: Arrange rocks, driftwood, and plants, including epiphytic plants, to create a harmonious and inviting environment.
• Filling the Tank: Pour water carefully, avoiding direct flow onto the gravel. Pro Tip: Pour water over a plate or décor to minimize disturbance.
• Final Touch: 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.
• Easy maintenance: Regularly, for example, with every water change, gently vacuum clean the pebbles to remove any accumulated debris or algae between the pebbles.

For answers to common questions about usage, safety, and technical details, check out our WIO Gravels FAQ Section.