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 & AquascapingMarcoRocks
MarcoRocks MR Coralline Rock is a 20-lb box of Reef Saver dry rock colored with a 100% reef-safe organic pigment to resemble coralline-covered live rock. It is naturally pest-free, calcium-based for buffering capacity, and its uniquely shaped pieces fit together for easy aquascaping.
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Substrates & AquascapingMarcoRocks
MarcoRocks MR Coralline Shelf Rock (20 lbs) is dry live rock with flat-sided pieces for building coral shelves in reef aquascapes; 100% free of nuisance algae and pests, in coralline color to blend with other MarcoRocks styles.
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Substrates & AquascapingBuce Plant
MarcoRocks MR Powder in Coralline, made from powdered Marco Rocks, is used to cover glue joints when building rock work for a seamless look. Dust or press onto desired surfaces while still wet. This 3LB bag is intended for sparse use as needed on rock work joints; also available in natural.
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Substrates & AquascapingBuce Plant
A 3-pound bag of natural-colored powder made from genuine Marco Rocks, designed to disguise glue or epoxy joints when building aquarium rockwork. Dust or press it onto bonded surfaces while they are still wet to create a seamless natural color and texture; use sparingly as needed.
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Substrates & AquascapingUltum Nature Systems
Nano-sized Horn Wood, a dense, high-character natural driftwood with warm tones and bold, antler-like protrusions, averaging 4-10 inches. The sharp, clean lines provide contrast and drama for focal points, while the rough, aged texture is tailor-made for attaching aquatic mosses, ferns, or Bucephalandra. Many pieces feature flat bases or sturdy trunks for easy stacking. Available in 5-pack and 10-pack; expect natural variations in shape, weight, and character.
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Substrates & AquascapingCaribSea
CaribSea Nano LifeRock is a 10-pound box of manmade aragonite-based dry reef rock sized for nano aquariums, infused with spored bacteria and coated to mimic mature coralline algae for an instant established-reef look. The porous rock needs no curing, is environmentally friendly, and is safe for all marine fish, invertebrates, and corals.
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Substrates & AquascapingUltum Nature Systems
Spiderwood is known for its wild, multi-branching shape that instantly adds depth and personality to any aquascape. This Nano version is specifically selected for those twisting tangles and sculptural turns that fit perfectly into smaller tanks. Whether you stand it upright, lay it on its side, or angle it, each orientation creates a fresh visual story. The complex network of branches adds immediate depth and energy without overwhelming the tank, and the spindly limbs are ideal for anchoring mosses, Bucephalandra, or Anubias Nana Petite. Available as single, 5-pack, or 10-pack; pieces range from 3 to 8 inches.
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Substrates & AquascapingUltum Nature Systems
Natural Reef Rock Coralline features naturally irregular formations with a coralline-covered surface that gives each piece an authentic reef-rock appearance. The varied shapes and textures make it a versatile foundation for natural-looking saltwater and reef hardscapes; individual pieces can be combined into larger formations with caves, crevices, and varying elevations.
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Substrates & AquascapingUltum Nature Systems
Natural Reef Rock Premium is a bright white, highly porous rock designed for marine and reef aquariums. Its intricate open structure provides plenty of surface area for beneficial bacteria and coral attachment, and the naturally irregular lightweight pieces are ideal for building a natural reef hardscape with depth, texture, and open spaces; sold in a 30LB pack.
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Substrates & AquascapingUltum Nature Systems
Natural Reef Shelf Rock Coralline features naturally formed shelf-like pieces with a coralline surface and a layered structure that mimics established reef rock. The broad, overhanging surfaces are ideal for creating ledges, shaded areas, and changes in elevation; pieces can be arranged into larger reef structures or mixed with other reef rock for a varied, natural layout.
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Substrates & AquascapingUltum Nature Systems
Ultum Nature Systems Controsoil Black (Normal, ~5mm granules) is a Japanese aqua soil made of natural soil and volcanic ash that buffers water to a slightly acidic pH around 6.8, releases low ammonia for safer new-tank cycling, and provides nutrient-rich, no-rinse granules ideal for planted freshwater aquariums, fish, and shrimp.
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Substrates & AquascapingUltum Nature Systems
Normal Controsoil Brown is a natural aquarium soil substrate from Ultum Nature Systems in a brown tone for planted tanks. The nutrient-rich granules support plant root growth, and the normal grain size suits aquascaping layouts.
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Substrates & AquascapingAqua Forest Aquarium
North Black stone originates from the mountain cliffs of Norway; it has a dark gray hue with a moderately rough angular surface, ideal as a supporting material paired with driftwood layouts, and its rough surface helps moss attach easily. Inert; minimum order 10 lbs; approx. size 2-8 inches.
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Substrates & AquascapingInnovative Marine
The Ecotech Marine Vectra M2 is a Mobius-ready DC return pump rated for up to 2000 GPH with 21.5 feet of max head pressure; it can be configured as a return pump (with calibration and Speed Lock) or a closed-loop circulation pump with EcoSmart flow modes, runs inline or submerged, and features QuietDrive technology, QuickCouple fittings, and battery-backup compatibility.
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Substrates & AquascapingInnovative Marine
The Innovative Marine Nuvo EXT 30 Long is a 30-gallon rimless aquarium (36" x 15" x 13") with an all-glass external overflow that keeps all of the tank's internal volume free for aquascaping, and it features ultra-thick low-iron glass with diamond-edge polishing, black silicone seams, a laser-cut back panel, a quiet 2-pipe (Herbie) drain system with pre-drilled bulkheads, and a flare Loc-Line return. This bundle pairs the tank with the matching wood-finish APS aquarium stand.
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Substrates & AquascapingInnovative Marine
This Innovative Marine bundle pairs the Nuvo EXT 40 external-overflow aquarium (24" x 20" x 19", 40 gallons, 8mm ultra-thick low-iron glass with diamond-edge polishing) with the matching Wood APS cabinet stand. The EXT design keeps the overflow outside the tank so no display volume is lost, with a 2-pipe Herbie drain (1" bulkheads), 3/4" flare Loc-Line return, and pre-drilled holes for plumbing down to a sump, while the corrosion-proof aluminum APS stand assembles in minutes and includes a foam board set and adjustable shelf.
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Substrates & AquascapingCaribSea
CaribSea Ocean Direct Oolite Live Reef Sand is natural Caribbean live sand with a fine 0.25-1.5 mm grain size, preserved with "Sea Breathe" technology to keep the ocean bacteria alive for a fast tank cycle. Its high surface area supports biological filtration; plan on about 1 pound of sand per 2 gallons of display tank volume.
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Substrates & AquascapingAqua Natural
A smooth, fine oolitic aragonite sand from Aqua Natural collected from the Bahamas; up to 98% pure calcium carbonate, it buffers pH near 8.2 without constant chemical dosing and provides huge surface area for beneficial bacteria. Suitable for saltwater aquariums and freshwater cichlid tanks.
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Substrates & AquascapingCaribSea
CaribSea Ocean Direct Original Grade is a live aragonite reef sand (grain size 0.25-6.5mm) preserved with Sea Breathe technology so it retains its natural ocean bacteria for a faster tank cycle. Its high surface area supports beneficial bacteria colonization, and BRS suggests about 1 pound per 2 gallons of display volume (sold in 20 lb and 40 lb bags).
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Substrates & AquascapingLiquid Gardens
Liquid Gardens Osmocote Root Tabs (20 count) are nutrient-rich substrate tablets that provide a long-lasting nutrient source for planted freshwater aquariums, lasting up to 6 months; insert deep next to plant roots, one tab every 6 inches.
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Substrates & AquascapingUltum Nature Systems
Natural driftwood from Ultum Nature Systems for freshwater aquascaping, similar to Malaysian driftwood but with lighter coloration and less uniform, varied shapes and textures. Each unique piece provides hiding spots that reduce fish stress, and the wood releases tannins that help soften water like tropical fish habitats; soaking before placement minimizes initial tannin release and helps it sink.
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Substrates & AquascapingUltum Nature Systems
A rugged, chunky natural aquarium driftwood stump with a weathered, river-washed surface full of gnarly knots and deep textures. Acts as a heavy anchor to ground substrate slopes and lock down supporting stones, while its craggy exterior gives epiphytes like Anubias and Bucephalandra grip and provides surface area for beneficial bacteria and biofilm for shrimp and bottom-dwellers. Available in Small (8-12 in), Medium (12-16 in), Large (16-20 in), and XL (20-24 in); may float initially and release tannins, so soak or boil before use.
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Substrates & AquascapingUltum Nature Systems
Pacific Driftwood brings a mature, untamed character to the planted tank with deep knots, weathered tangles, and an aged river-worn look. Each piece is a unique puzzle of textured paths and hollowed grooves ideal for dramatic river roots or wild jungle layouts. The knots and tangles provide hiding spots for fry and shrimp plus surface area for beneficial bacteria. Available from XS to XL in single, 3-pack, 5-pack, and 10-pack options.
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Substrates & AquascapingUltum Nature Systems
Patagonia Stone is a porous, roughly textured natural rock with a rugged lava-stone-like aesthetic in earthy rust and brown hues, creating warm contrast against green plants. Its creviced texture is ideal for mountain hardscape layouts and for attaching mosses and epiphytic plants; sold in 10 and 20 lb packs and should be rinsed before use.
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Substrates & AquascapingBuce Plant
MarcoRocks Perfect Mix Coralline is a 20 lb box of highly porous, non-painted coralline-colored rock pieces that deliver an instant purple coralline look without the wait. The rocks stack naturally for loose layouts or arches and ledges that can be mortared for a permanent hold.
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Substrates & AquascapingUltum Nature Systems
Petrified Wood is a remarkable natural stone formed from the fossilized remains of ancient trees, where organic materials have been replaced by minerals over millions of years. This results in a dense rock retaining the intricate grain patterns and textures of the original terrestrial vegetation. Its earthy tones and vertical wood-like structures make it a good pick for forest or sunken timber-inspired hardscape layouts. Also suitable for terrariums, paludariums, or similar planted enclosures for a prehistoric, woodland aesthetic. Available in 5LB ($23.99), 10LB ($44.99), 20LB ($74.99), and 30LB ($99.99) packages.
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Substrates & AquascapingAqua Natural
Pewter Black Gravel is a natural 6-8mm gravel substrate from Aqua Natural that appears nearly jet black when wet. It works as a cap layer over planted substrates or as a standalone substrate, offering ample surface area for beneficial bacteria with minimal effect on water chemistry.
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Substrates & AquascapingHydrospace
Hydrospace PNS Deep Cycle (16 oz) is a live bacteria product that restores key anaerobic microbial genera to the reef aquarium for enhanced carbon, nitrogen, and sulfur cycling. It contains a functional consortium of wild-sourced marine anaerobes, including purple nonsulfur, purple sulfur, and green sulfur bacteria, and treats 400 gallons.
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Substrates & AquascapingAqua Natural
A coarse natural sand from Aqua Natural with tan and brown tones and a 0.8-1.2mm grain size; it suits aquascaped planted tanks as a cap layer or standalone substrate, with minimal effect on water chemistry and ample surface area for beneficial bacteria colonization.
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Substrates & AquascapingAqua Natural
Aqua Natural Prairie Sand 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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