Find aquasoils, sand, reef rock and driftwood and explore the aquarium layouts built with them.
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166 matching items · Most used first
Substrates & AquascapingUltum Nature Systems
The Basin Wood - Large is a natural aquarium driftwood centerpiece, 20+ inches long, prized for its exceptionally high-detail surface of deep grooves, tight knots, and weathered twists; provides natural planting pockets for epiphytes, surface area for beneficial bacteria, and a mature, ancient look.
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Substrates & AquascapingUltum Nature Systems
The Basin Wood - Medium is a natural aquarium driftwood piece, 12-16 inches long, prized for its exceptionally high-detail surface of deep grooves, tight knots, and weathered twists; provides natural planting pockets for epiphytes, surface area for beneficial bacteria, and a mature, ancient look.
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Substrates & AquascapingUltum Nature Systems
The Basin Wood - Small is a natural aquarium driftwood prized for its exceptionally high-detail surface, deep grooves, tight knots, and weathered twists; provides natural planting pockets for epiphytes like Anubias and Bucephalandra, surface area for beneficial bacteria, and a mature, ancient look. Single, 5 Pack, and 10 Pack.
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Substrates & AquascapingUltum Nature Systems
The Black Lava Rock is a highly porous natural aquarium hardscape rock for planted tanks and African Cichlid setups; color palette from black to gray. Millions of tiny holes provide massive surface area for beneficial bacteria; coarse texture is perfect for anchoring mosses, ferns, and epiphytic plants. available in a 15LB size.
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Substrates & AquascapingUltum Nature Systems
The Black Lava Rock Cave is an extremely porous natural aquarium hardscape stone with a pre-drilled cave, ideal for small cave-dwelling animals such as crayfish and plecostomus; acts as a massive biological filter with ample space for beneficial bacteria. Small, Medium, Large, and XL sizes.
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Substrates & AquascapingUltum Nature Systems
The Black Lava Rock Mound is an extremely porous natural aquarium hardscape stone, dark black and remarkably lightweight, with multiple pre-cut areas; acts as a massive biological filter and provides safe resting spots for small fauna and perfect pockets for attaching epiphytic plants like Anubias, Bucephalandra, or mosses.
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Substrates & AquascapingUltum Nature Systems
The Black Ridge Stone brings a rugged, natural look to aquarium hardscapes with dark gray, charcoal, and earthy brown tones; heavily weathered surface defined by pronounced ridges, grooves, and layered formations. Natural variation makes it well-suited for organic, uneven hardscape appearances. 30LB pack.
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Substrates & AquascapingUltum Nature Systems
The Black River Slate is a natural aquarium hardscape rock with a black to dark grey color with occasional brown and white streaks; semi-round water-worn shape for authentic river or lake-inspired aquascapes, waterfalls, or spawning media. Suitable for terrariums and paludariums. 5LB to 30LB packs.
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Substrates & AquascapingUltum Nature Systems
The Black Slate is a natural aquarium hardscape rock with rich black and gray tones accented by subtle white streaks; relatively flat with great stacking potential, perfect for layering or building structures in an aquascape. Excellent base for mosses; wrap varieties around it for moss-covered pieces. 5LB to 30LB packs.
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Substrates & AquascapingUltum Nature Systems
The Black Star Lava Rock is a highly porous volcanic aquarium hardscape rock; unlike jagged lava rock, it features a smoother, rounded pebble-like shape ideal for fish with delicate fins. Massive surface area for beneficial bacteria; perfect for anchoring mosses, Anubias, and Bucephalandra. 5LB to 30LB packs.
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Substrates & AquascapingUltum Nature Systems
The Blistered Driftwood Sticks are a natural aquarium hardscape wood with long, straight profiles and a distinctive, bumpy bark texture; position vertically to mimic submerged reed beds and flooded forest roots, or lay across the tank base to recreate fallen timber along a riverbed. Great for wedging epiphytic plants like Bucephalandra or tying on mosses. Single, 5 Pack, and 10 Pack.
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Substrates & AquascapingUltum Nature Systems
The Blood Stone is a rich red natural aquarium hardscape stone, one of the smoother varieties for aquascaping; deep red hue contrasts beautifully against plants and substrate. Smooth surface is gentle for tanks housing fish with delicate fins; striking accent for terrariums and paludariums. 10, 20, and 30 pound packs.
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Substrates & AquascapingUltum Nature Systems
The Blue Mountain Seiryu Stone is a darker, bluish-grey natural aquarium hardscape stone with striking white veins; signature craggy texture and intricate details for natural-looking mountainous hardscapes or Iwagumi layouts. Contrasts beautifully with vibrant green or red plants. 5LB to 30LB packs.
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Substrates & AquascapingUltum Nature Systems
The Boutique Seiryu Stone is a hand-picked premium natural aquarium hardscape stone, superior in character and coloration to standard Seiryu; grey-blue rock with jagged, craggy, heavily veined texture that deepens in color when wet. Ideal for dramatic mountain-style landscapes or minimalist Iwagumi layouts. 5LB to 30LB packs.
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Substrates & AquascapingUltum Nature Systems
The Burmese Petrified Wood is a natural aquarium hardscape stone formed from the fossilized remains of ancient trees; rich, mineralized grain patterns provide a prehistoric accent to live plants. Incredibly durable and holds its detail indefinitely; perfect where an ancient sunken-timber aesthetic is desired. 10LB to 30LB packs.
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Substrates & AquascapingUltum Nature Systems
The Caledonia Stone is a vibrant natural aquarium hardscape rock with multicolored hues of white, gray, blue, brown, and rust tones that deepen when submerged; smooth texture and layered, intricate patterns make each piece one-of-a-kind. Suitable for terrariums, paludariums, or similar planted enclosures. 10LB to 30LB packs.
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Substrates & AquascapingUltum Nature Systems
The Chameleon Stone is an aquarium hardscape stone named for its dramatic color transformation when submerged; dry it is lighter gray, but underwater it takes on a deep black color for a bold, high-contrast look. Provides a dark backdrop for plants, shrimp, and fish. 30LB pack.
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Substrates & AquascapingUltum Nature Systems
The Cholla Driftwood Tree is a decorative tree-shaped aquarium hardscape made from natural Cholla driftwood, the dried husk of the Cholla cactus; its porous surface provides cozy cover for shrimp and grows biofilm that shrimp and fry graze on. Ideal for attaching mosses, Buce, and Anubias. Leaches tannins that may tint water tea-colored. Small (10-17") and Medium (18-24") sizes.
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Substrates & AquascapingUltum Nature Systems
Cloud Stone is a natural aquarium hardscape with a deep gray appearance when wet, giving aquascapes a darker, more grounded look; it works with lush green plants and other hardscape materials for freshwater aquariums. Use it to build hardscape foundations, create contrast, or add accents; combining different sizes creates depth and a natural arrangement. Each piece is naturally unique; 30LB pack. Rinse before use.
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Substrates & AquascapingUltum Nature Systems
Ultum Nature Systems Controsand Bora is a fine, natural white decorative sand substrate for planted aquariums and aquascaping, graded at 0.4–0.9 mm with a light palette inspired by natural white sand banks — ideal for beach-style scapes or as an accent against darker substrates. It is fully inert, so it will not alter pH or water hardness and releases no ammonia, while its fine grains support strong root development and are safe for shrimp and other bottom-dwelling species.
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Substrates & AquascapingUltum Nature Systems
Controsand Kona is a natural sand substrate from Ultum Nature Systems in a dark volcanic black-brown tone for aquascaped tanks. The dark grain enhances fish and plant coloration and suits a dramatic, natural riverbed look.
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Substrates & AquascapingUltum Nature Systems
Controsand Mojave is a natural sand substrate from Ultum Nature Systems in a warm desert tone for planted and aquascaped tanks. The fine grain suits bottom-dwelling fish and shrimp while giving a bright, natural riverbed aesthetic.
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Substrates & AquascapingUltum Nature Systems
A natural freshwater aquarium substrate from Ultum Nature Systems (UNS Controsand) in the Santa Fe variety, a rounded pebble gravel in a mix of cool grey and earthy hues inspired by natural riverbeds. With 3 to 5mm grains, it is safe for fish, invertebrates, and reptiles, and works as a foreground accent or standalone substrate that can be paired with UNS Controsoil plant substrate.
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Substrates & AquascapingUltum Nature Systems
The Crescent Shaped Bonsai Tree is a handcrafted aquarium driftwood bonsai tree for a dramatic, windswept aquascape look; artisans assemble natural driftwood into a balanced, structurally sound canopy. Attach aquatic mosses or small epiphytes to the canopy to create a lush underwater tree canopy. Crescent shape provides dynamic movement and a focal point over substrate and stones. Sizes 087S through 089L.
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Substrates & AquascapingUltum Nature Systems
Cueva Stone is a striking natural rock with a deep gray base patterned with white streaks and patches, creating a high-contrast, dramatic look for a hardscape; occasional rust-colored specks add unique character and the veining becomes bolder when wet. Also suitable for terrariums and paludariums for a rugged, weathered aesthetic. Natural product that may slightly alter water parameters. 10LB, 20LB, and 30LB packs.
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Substrates & AquascapingUltum Nature Systems
Dark Blue Slate Stone is a flat-profile natural rock with unique coloration that presents as dusty blue when dry but darkens considerably when submerged to reveal deep, moody tones; subtle brown streaking adds organic character. Flat shape offers stacking potential for taller structures or a level base to support driftwood. Also suitable for terrariums and paludariums. Natural product that may slightly alter water parameters. 5LB through 30LB packs.
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Substrates & AquascapingUltum Nature Systems
The Double Bonsai Tree Aquarium Driftwood - Extra Small pairs two distinct handcrafted trees on a single base to create immediate depth and a natural forest edge effect with a balanced, harmonious silhouette. Pairs beautifully with aquatic mosses and epiphytic plants for a lush, tiered canopy; a sophisticated focal point for planted aquarium hardscape. Three extra-small sizes: 72XS, 67XS, and 63XS.
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Substrates & AquascapingUltum Nature Systems
Natural Dragon Stone (Ohko Stone) aquascaping rock with a rugged dragon-scale texture in warm brown and red tones. Varied shapes and sizes build dynamic layouts while providing hiding spots and surface area for beneficial bacteria. Sold by weight; price shown for the largest size option.
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Substrates & AquascapingUltum Nature Systems
Dragon Stone, also known as Ohko Stone, is one of the most iconic natural aquascaping rocks; its scale-like texture, natural details, and crevices give hardscapes an aged, ancient look, displaying earthy colors from reds and yellows to deep browns. Its clay-like composition is relatively brittle and lets aquatic plants and mosses self-attach to its craggy surface; also suitable as a dramatic accent in terrariums and paludariums. Inert and will not influence water parameters. 10LB and 16LB packs.
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Substrates & AquascapingUltum Nature Systems
Dragon Stone (Ohko) Accent Stones add finer details and intricate textures to a hardscape; these smaller fragments feature the same iconic scale-like texture and earthy reds, yellows, and browns as full-sized stones in a size easier to manage for nanoscapes or detailed foreground work. Great stacking potential for miniature cliffs or filling gaps between larger boulders; clay-like composition lets aquatic plants self-attach. Also suitable for terrariums and paludariums. Inert and will not influence water parameters. Pieces 1-3 inches; approximately 2.2 lbs per bag.
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