WIO - Stream Gravel
WIO - Stream Gravel
Fast and free
Pre-washed and 100% natural
24/7 support
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Details
Details
Color: Natural grey tones with subtle variation, replicating authentic mountain streambeds
Texture: Slightly rough, river-worn stone surface for added realism
Size Mix: 0.3"–0.8" (0.8–2 cm) stones for natural layering and depth
Composition: 100% natural grey gravel curated for authentic river aesthetics
Matching: Complements driftwood, alpine stones, Black Venom, Elderly Stone, and cold-water biotope layouts
Results: Creates a realistic, textured riverbed with natural gradients, depth, and flow
Ready to Use: Pre-washed and clean; light rinse optional
Safety: Safe for all fish, shrimp, snails, plants, and terrarium species
Worry-Free: pH-neutral to slightly hardening; stable and aquarium-safe
Versatile: Ideal for aquariums, paludariums, terrariums, and river-inspired biotopes
Packing: Available in 4.4 lb (2 kg) bags
SHIPPING INFO
SHIPPING INFO
Fast and free shipping within the U.S. and Australia.
Worldwide free shipping on orders over $599!
CARE INSTRUCTIONS
CARE INSTRUCTIONS
Water hardness: Slightly raises water hardness.

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Fast and free
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Pre-washed and 100% natural
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24/7 support
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Over 100,000 happy aquariums
Stream Gravel – Your Ready-to-Scape Riverbed Substrate
Stream Gravel is a natural grey-toned gravel designed to recreate the rugged character of high mountain streams. With its slightly rough texture and varied stone sizes, it brings depth, realism, and authentic flow to aquascapes, terrariums, and biotope displays. Each stone is naturally rounded and river-worn, offering a timeless, nature-true foundation for your layout.
Perfect for cold-water themes, alpine-inspired scapes, or as an accent layer in planted tanks, Stream Gravel adds structural detail without overpowering your hardscape. Its curated mix of sizes makes it easy to craft natural gradients, slopes, and riverbed transitions straight from nature.
Available Sizes
4.4 lb (2 kg) Bag – Size S (0.3"–0.8" / 0.8–2 cm)
Each Bag Includes
A curated blend of natural grey stones designed to mimic authentic streambeds and enhance composition flow
Why You’ll Love It
✓ Grey, slightly rough stones that replicate true mountain streams
✓ Natural size variation for layering, depth, and flow
✓ Ideal for cold-water, alpine, and river biotopes
✓ Works as a primary substrate or accent gravel
✓ Safe and suitable for aquariums, terrariums, and paludariums
Specs & Care
Color: Natural grey
Texture: Slightly rough, river-worn finish
Grain Size: 0.3"–0.8" (0.8–2 cm)
Effect on Water: May gently raise hardness
Pre-washed and ready to use. Rinse lightly if desired to remove remaining dust. Add gently to prevent clouding and skim floating particles if needed.
Safe for all fish, shrimp, plants, amphibians, reptiles, and terrarium species.

