Black Allure Riverbed Black Allure Riverbed captures the rugged contrast and serene flow of Pyrenean mountain streams. Its blend of bright natural sand, deep dark gravels, and smooth river-worn pebbles recreates the interplay of light and shadow found in crystal-clear alpine waters. The result is a high-contrast, dynamic riverbed that adds depth, movement, and mountain-born elegance to any aquascape. Perfect for creating winding stream paths, layered substrates, or dramatic foregrounds, Black Allure Riverbed is easy to shape and endlessly versatile. Fully natural and safe for all aquatic life, the pale sand is completely inert, while the darker stones may gently influence hardness — easily balanced through standard water changes. Ideal for both minimalist aquascapes and bold mountain-inspired designs. Available Sizes4.4 lb (2 kg)11 lb (5 kg) Each Bag IncludesA natural blend of pale sand, dark gravel, and smooth pebbles ranging from 0.04"–2" (0.1–5 cm) for authentic alpine-stream texture and contrast Why You’ll Love It✓ High-contrast mix inspired by Pyrenean mountain streams✓ Bright sand + dark gravels create cinematic depth and flow✓ Smooth, river-worn pebbles enhance natural realism✓ Inert sand; stones may gently raise hardness for authenticity✓ Perfect for aquariums, terrariums, paludariums, and biotopes✓ Safe for all fish, shrimp, plants, and delicate species Design TipCreate a meandering pale river path through darker gravels to mimic natural alpine flow. Slightly tilt pebbles backward to enhance perspective and evoke carved mountain channels. Specs & CareColor: Pale sand with dark gravels and grey-black pebblesTexture: Fine sand blended with medium gravels and rounded stonesGrain Size: 0.04"–2" (0.1–5 cm)Effect on Water: Sand is inert; stones may slightly raise hardness Pre-washed and ready to use. Add water slowly to avoid disturbing the surface. Skim floating dust with a net. Safe for all fish, shrimp, snails, plants, amphibians, and terrarium animals.
