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NATURAL GRAVEL RIO BRANCO 0.1–0.2 mm – Fine Dark Gray Natural Gravel for Elegant Contrasts in Aquascaping
Natural Gravel Rio Branco 0.1–0.2 mm is a fine-grained, dark gray natural gravel inspired by the riverbeds of the Rio Branco. Its refined tone and ultrafine grain size make it perfect for compact sand beds, fine paths, or full aquascapes with a strong contrast to green plants and light hardscape elements.
With a grain size of just 0.1 to 0.2 mm, this gravel creates a smooth and solid substrate surface, ideal for minimalist layouts, biotope recreations, or aquariums where visual depth and definition are key. Its dark matte color enhances the brightness of plants and adds a dramatic yet natural atmosphere to the aquarium.
Rio Branco gravel is 100% natural, CO₂- and light-resistant, and safe for all aquarium species, including shrimp, bottom fish, and sensitive invertebrates. It is also ideal for rooting fine aquatic plants and supporting the colonization of beneficial bacteria.
Main features:
Natural fine gravel – grain size 0.1–0.2 mm
Dark gray matte color for bold, elegant contrast
Inspired by the Rio Branco biotope
Ideal for paths, accents, or compact sand beds
Pairs beautifully with Black Lava, Mini Landscape, Grey Slate, and Lake Mountains
Light- and CO₂-resistant – chemically inert
Safe for all tank inhabitants
Great for minimalist layouts and nature-inspired aquascapes
Why choose Natural Gravel Rio Branco 0.1–0.2 mm:
This gravel is perfect for aquarists who want a high-contrast, fine-grain substrate that enhances both the beauty and balance of their tank. It’s a smart and stylish base for professional aquascaping or natural biotope projects.
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