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Rhino Stone is a heavy, weathered sedimentary rock named for its rugged, rounded shapes that resemble natural boulders. Formed in riverbeds and drylands, it is perfect for smooth river-scapes, natural flowing aquascapes, and biotope recreations. Its strong presence and rounded surfaces add a sense of permanence and natural balance.
Origin: Natural sedimentary rock
Water Chemistry Impact: Inert and stable; does not affect pH or hardness (KH & GH)
Compatibility: Great for planted tanks; safe for shrimp, snails, and small fish
Restrictions: Very heavy; ensure broad, stable stacking; avoid pressure points
Aquascape Style: Smooth river rock scapes; flowing, rounded aquascapes
Placement: Foreground clusters, midground stones, or riverbed recreations
Special Features: Rounded, weathered shapes; heavy and stable
Water: Fully inert; safe for all freshwater setups
Tank Size: Best suited for medium to large aquariums due to weight
Substrate Pairing: Blends well with sand or fine gravel substrates
Design Tip: Use in groups to mimic natural river rock beds
Appearance: Rounded, weathered stone
Color: Gray with subtle mineral variation
Texture: Smooth, worn surfaces
Impact: Adds natural flow and biotope realism
Preparation: Rinse thoroughly before use
Placement: Position securely to prevent movement due to weight
Maintenance: Fully inert; smooth surfaces may develop biofilm or algae
Special Tips: Perfect for calm, flowing river-style aquascapes
We ship orders within the contiguous United States. Ready-to-ship orders are processed within 1-3 business days. Please email us regarding the processing time on custom orders.