Find aquasoils, sand, reef rock and driftwood and explore the aquarium layouts built with them.
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Find the gear behind the community's tanks.
Tanks, stands, lids
Canister filters, HOBs, protein skimmers, rollmats
Planted LEDs, high-actinic coral LEDs
Heaters, chillers, electronic controllers
Return pumps, wavemakers, gyres
Aquasoils, sands, dry reef rock, driftwood
Conditioners, RODI systems, marine salt mixes
Plant fertilizers, liquid CO₂, reef dosing pumps, calcium & alkalinity
Tools, food, testing, and the finishing touches
In community tanks
Chosen by aquarists
499 matching items · Most used first
Substrates & AquascapingCaribSea
CaribSea Arag-Alive! Fiji Pink live reef sand (0.5-1.5 mm) containing live bacteria to help cycle new tanks faster; pink quartz specks. Available in 10 lb and 20 lb bags; ideal for sand-sifting inhabitants.
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Substrates & AquascapingUltum Nature Systems
Ultum Nature Systems Controsoil, a fine black volcanic ash-based substrate (3mm granules) for freshwater planted aquariums. It provides plant nutrients, buffers pH and KH to slightly acidic levels, and requires no rinsing.
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Substrates & AquascapingUltum Nature Systems
UNS Controsoil fine brown aquarium soil made from natural soil and volcanic ash for planted tanks. Provides balanced nutrients with low ammonia release and buffers pH to around 6.8; no rinsing required.
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Substrates & AquascapingUltum Nature Systems
Fire Stone is a natural volcanic rock with a highly porous texture, an ideal base for attaching aquatic mosses or epiphytic plants like Anubias and Bucephalandra; deep reddish-brown when dry, it darkens when wet to a glowing, rich hue reminiscent of hot embers. Its rugged form breaks down easily for intricate hardscape layouts or as a sturdy base layer under aquarium driftwood; also suitable for terrariums and paludariums. Natural product that may slightly alter water parameters. Pieces average 3-10 inches. 10- and 18-pound packs.
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Substrates & AquascapingAqua Natural
Aqua Natural Flamingo Bio-Substrate (5 lb bag) is a nitrifying bacteria-seeded freshwater substrate with live nitrosomonas and nitrobacter that convert ammonia to nitrate, cycling new aquariums quickly when used at 1 lb per gallon.
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Substrates & AquascapingAqua Natural
Aqua Natural Flamingo Gravel Substrate is a rose-pink, purple and grey 4-6mm pebble substrate for freshwater aquariums, usable as a cap layer for planted tanks, with minimal effect on water chemistry.
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Substrates & AquascapingCaribSea
CaribSea Arag-Alive! Florida Crushed Coral live aragonite reef sand (3-5.5 mm) containing live bacteria for faster cycling and natural biological balance. Large grain size suits high-flow tanks and home-building pistol shrimp.
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Substrates & AquascapingCaribSea
CaribSea Florida Crushed Coral dry aragonite sand (3-5.5 mm); ideal for high-flow tanks to prevent bare spots. Available in 10 lb and 40 lb bags; not recommended for sand-dwelling or sand-sifting creatures.
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Substrates & AquascapingBrightwell Aquatics
Brightwell Aquatics FlorinVolcanit Rio Café-F is a 3 mm brown natural volcanic ash substrate for planted and shrimp tanks, binding hardness elements to lower GH and acidify alkaline water below pH 7 while supporting strong root systems.
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Substrates & AquascapingBrightwell Aquatics
Brightwell FlorinVolcanit Rio Café-XF is a 1mm brown natural volcanic ash substrate for planted tanks and shrimp that binds hardness elements, lowering GH and acidifying alkaline water below pH 7 for strong plant root systems.
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Substrates & AquascapingBrightwell Aquatics
Brightwell Aquatics FlorinVolcanit Rio Escuro-F is a 3mm black natural volcanic ash substrate for planted and shrimp tanks; it binds hardness-causing elements to lower GH and gently acidify alkaline water below pH 7, promoting strong root systems and nutrient uptake.
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Substrates & AquascapingBrightwell Aquatics
Brightwell FlorinVolcanit Rio Escuro-XF is a natural volcanic ash substrate with 1mm black particles for freshwater planted and shrimp tanks. It lowers general hardness and gently acidifies alkaline water to a pH below 7, promotes strong root systems and nutrient uptake, and is made in the USA.
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Seachem
Seachem Flourite is a specially fractured, stable porous clay gravel for the natural planted aquarium that provides an ideal rooting medium without laterite additives. It is not chemically coated, will not alter water pH, and lasts the life of the aquarium without needing replacement.
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Substrates & AquascapingAqua Forest Aquarium
Forest Black Wood Branch Type is an obsidian-hued driftwood that deepens to black when it absorbs water, with numerous smooth curving branches; it releases little to no tannins. Available in SS through XL sizes; may float initially until waterlogged.
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Substrates & AquascapingAqua Forest Aquarium
Forest Black Wood is an obsidian-hued driftwood from AFA, dark like charcoal and deepening to black as it absorbs water, with branched pieces curving smooth and elegant. It releases little to no tannins; available in sets sized for 30W/Mini M up to 120P tanks.
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Substrates & AquascapingAqua Forest Aquarium
Forest Black Wood_008 is a what-you-see-is-what-you-get piece of obsidian-hued driftwood from Aqua Forest Aquarium, measuring 25 by 22 by 15 inches. This charcoal-black wood has elegant branching, releases little to no tannins, and may float until fully waterlogged.
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Substrates & AquascapingAqua Forest Aquarium
Forest Black Wood_017 is a what-you-see-is-what-you-get piece of obsidian-hued driftwood from Aqua Forest Aquarium, measuring 21 by 10 by 10 inches. This charcoal-black wood has elegant branching, releases little to no tannins, and may float until fully waterlogged.
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Substrates & AquascapingUltum Nature Systems
Forest Driftwood is a natural aquarium driftwood with a flat, stackable profile ideal for building architectural layers, dramatic cliffs, and stable retaining walls in complex, multi-tiered aquascapes; earthy, textured slabs in warm beiges and deep browns give a raw, organic riverbank feel. The craggy surface offers ideal grip for wedging epiphytes like Anubias and Bucephalandra; nooks and crannies create a realistic overgrown look. Sizes from Extra Small (4-8 in) to 2XL (23-29 in); 1, 3, and 5 packs. Releases tannins that tint water tea-colored, subsiding over time.
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Substrates & AquascapingBuce Plant
Foundation Rock - Coralline (20LB) by Marco Rocks is a natural calcium carbonate rock cut to offer a smooth, flat single surface; used under rock work at the boundary layer between the glass and rock display so the second layer of the scape safely floats above the bottom layer, promoting healthy flow around the rock work and over the substrate. Stable, architecturally sound, and highly porous; can be siliconed to the glass, or placed flat side up for a shelf look. 20-pound box in Coralline color.
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Substrates & AquascapingBuce Plant
Foundation Rock - Natural (40LB) by Marco Rocks is a natural calcium carbonate rock cut to offer a smooth, flat single surface; used under rock work at the boundary layer between the glass and rock display so the second layer of the scape safely floats above the bottom layer, promoting healthy flow around the rock work and over the substrate. Stable, architecturally sound, and highly porous; can be siliconed to the glass, or placed flat side up for a shelf look. 40-pound box in Natural color.
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Substrates & AquascapingAqua Forest Aquarium
Frodo Stone is a highly sought-after stone from Poland with a unique rugged texture and 'cracking' pattern, colors varying from brownish to gray. It is mostly inert with minimal impact on water chemistry; great for Iwagumi style and with wood; available in Regular, Large, and X-Large mixes.
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Substrates & AquascapingAqua Forest Aquarium
Frodo Stone sets are pre-configured sets of the highly sought-after stone from Poland with unique rugged texture and cracking pattern (brownish to gray), great for Iwagumi style and with wood. Available for tanks from 5 to 100 gallons: 30W/mini M, 30C/45P, 60P, 90P, and 120P sets; pictures are examples only, not WYSIWYG.
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Substrates & AquascapingAqua Natural
Aqua Natural Galaxy Sand is an all-natural fine-grain black sand with a subtle sparkle under aquarium lighting; it has minimal effect on water chemistry and a small grain size that provides ample surface area for beneficial bacteria.
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Substrates & AquascapingAqua Natural
Aqua Natural's Galaxy Sand Bio-Substrate is a black planted-aquarium gravel seeded with beneficial bacteria to help jumpstart the nitrogen cycle. The porous grains provide surface area for nitrifying bacteria, and a protective layer is recommended when introducing fish.
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Substrates & AquascapingBuce Plant
Ghost Wood is a natural aquarium driftwood that starts pale and weathered when dry and transforms into a rich, deep mahogany once submerged; smooth, sandblasted trunks and sweeping branches give a clean, sculptural look ideal for defined, mature layouts. Equally popular in vivariums and terrariums where it will not rot easily in high humidity. Naturally aids in softening water for acid-loving fish and shrimp. Sizes from XS (under 10 in) to XL (30-38 in); single, 3-pack, and 5-pack options. Leaches fewer tannins than Malaysian wood but may add slight tea-colored tint initially.
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Substrates & AquascapingGloFish
A three-pack of artificial aquarium plants designed for GloFish tanks; the bright fluorescent colors glow vividly under blue LED lighting, giving tanks vibrant color that is easier to maintain than live plants.
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Substrates & AquascapingGloFish
GloFish Aquarium Sand (5 lbs) is a vibrant multi-colored sand designed for GloFish aquariums that adds a glowing effect under blue LED lighting; its grain size is safe for freshwater aquariums and it provides a stable base for plants and ornaments.
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Substrates & AquascapingGloFish
The GloFish Green & White Aquarium Plant (Small) is an artificial freshwater plant mimicking lush greenery with a glow effect under blue LED lighting, decorating aquariums without the upkeep of live plants.
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Substrates & AquascapingGloFish
The GloFish Green/Blue Aquarium Plant is an artificial freshwater plant with a glow effect under blue LED lighting, available in multiple sizes, decorating aquariums without the upkeep of live plants.
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Substrates & AquascapingGloFish
The GloFish Green/White Aquarium Plant is an artificial plant with a green and white design that glows under blue LED lighting; available in multiple sizes, it decorates freshwater aquariums without the upkeep of live plants.
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