Find aquasoils, sand, reef rock and driftwood and explore the aquarium layouts built with them.
Build your setup
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
59 matching items · Most used first
Substrates & AquascapingCaribSea
CaribSea Hawaiian Black Arag-Alive! Live Reef Sand (20 lb); nearly all-black substrate with live bacteria to speed tank cycling. Grain size 0.25-3.5 mm, high surface area; ready to use without rinsing.
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Substrates & AquascapingCaribSea
CaribSea Indo-Pacific Black Arag-Alive! Live Reef Sand; live sand with millions of bacteria to speed up tank cycling and reduce nuisance algae. Grain size 0.25-5.0 mm with high surface area; general guideline is 1 pound per 2 gallons of display volume.
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Substrates & AquascapingCaribSea
The CaribSea LifeRock Coral Tree is a dry live rock aquascaping kit of about 30-35 lbs, including 4 large pre-drilled rock pieces and 3 small spacer/cap pieces that stack onto a stabilizing rod to create gravity-defying reef structures roughly 15-20" wide by 18" tall. Made from aragonitic base rock with a coralline algae-colored coating, micro and macro pores, and spored bacteria, it offers abundant coral mounting platforms and biological filtration surface while being a sustainable, manmade alternative to wild-harvested live rock.
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Substrates & AquascapingCaribSea
CaribSea LifeRock is an environmentally friendly manmade dry rock made from aragonitic base rock (not cement) and infused with spored bacteria to aid biological performance. Its network of micro and macro pores provides an ideal environment for nitrifying bacteria, and an artificial coating and texture mimic natural coralline algae for a mature-looking reef instantly. Each box averages 5-7 pieces per 20 pounds (8-14 inches each); a general guideline is 1 pound per gallon of display volume.
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Substrates & AquascapingCaribSea
CaribSea LifeRock Nano Arches are four nano-sized arch-shaped aquascaping rocks (each about 8" tall, 8-15 lbs total per kit) for creating dramatic three-dimensional aquascapes in nano reef tanks. Made from porous aragonitic base rock rather than cement, they are spored with beneficial bacteria, coated to mimic coralline algae for a mature look, and safe for all marine animals.
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Substrates & AquascapingCaribSea
The CaribSea LifeRock Nano Reef Kit (about 12 lbs, SKU 250776) includes two LifeRock Nano Arches plus one small Original LifeRock dry rock piece for an instantly mature-looking nano reef. Made from aragonitic base rock infused with spored bacteria, its micro and macro pore network supports nitrifying bacteria, and the coralline-algae-mimicking coating is 100% safe for all marine animals.
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Substrates & AquascapingCaribSea
CaribSea's LifeRock Reef Forest Extension Kit adds 3 LifeRock arches, 3 spacers, and 3 fiberglass rods to an existing Reef Forest Kit base for a three-dimensional aquascape with plenty of negative space and surface area for corals. Pieces stack quickly with no cements or glue, include predrilled frag holes, and LifeRock is infused with spored bacteria to aid biological performance. Made from an aragonite base, environmentally friendly and safe for all marine animals.
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Substrates & AquascapingCaribSea
The CaribSea LifeRock Reef Forest Kit with Arches is a modular dry-rock aquascaping kit (about 36 lbs, filling roughly 22"x22"x22") containing a base, 3 arches, 3 spacers, and building rods with predrilled frag holes for tool-free assembly. The aragonitic-based rock is infused with spored bacteria and coated to mimic coralline algae, providing porous biological filtration and ample coral mounting surface without impacting natural reef resources.
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Substrates & AquascapingCaribSea
CaribSea LifeRock Reef Tree is a dry live rock aquascape kit with pre-drilled rock pieces and a stabilizing rod for building gravity-defying reef structures without drilling. The aragonite-based LifeRock is infused with spored bacteria, mimics coralline algae texture, and is safe for all marine animals. Kit includes about 30-35 lbs of rock.
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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 & 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 & 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 & AquascapingCaribSea
The Ideal Substrate for Shrimp and Planted Aquariums Will not disintegrate or compact Promotes neutral to acidic pH Will not increase hardness Clean & ready to use This unique, uniformly graded material fits the pH and mineral requirements of the most sensitive freshwater fauna and flora without the muddy texture and crumbling often seen with other brands. It's size and texture make it an ideal substrate for freshwater shrimp and live plants.
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Substrates & AquascapingCaribSea
CaribSea LifeRock Shapes is a 20 lb box of dry aragonite-based live rock shaped into arches, rings, tunnels, and caves for reef aquascaping. It is infused with spored bacteria for biological filtration and requires no curing, giving a mature coralline-algae look without harvesting wild rock.
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Substrates & AquascapingCaribSea
LifeRock Shelf is the perfect way to create a stable base for your rock structures. You can stack pieces up to design caves, or even build up backwalls with its unique flat side, and the flatter surface is perfect for mounting many encrusting corals.
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Substrates & AquascapingCaribSea
Ditch the Old Rock Pile and Take Your Scape to the Next Level 100% pest free Pre-made arches make aquascaping easy Eco-Friendly - rock is not taken from the ocean Aquascaping Made Easy New South Seas Arches bring open and multi-dimensional aquascaping to your saltwater aquarium. Each box contains 4 of the 12†arches, so the only limit is your imagination.
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Substrates & AquascapingCaribSea
CaribSea’s South Sea’s Coral Tree kit provides the materials you need to create incredible aquascapes faster and easier than you would have thought possible. Wow your friends and family with rockscapes that turn natural reef rock into gravity-defying, awe-inspiring structures.
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Substrates & AquascapingCaribSea
Ditch the Old Rock Pile and Take Your Scape to the Next Level 100% pest free Unique shapes make aquascaping easy Eco-Friendly - rock is not taken from the ocean Aquascaping Made Easy New South Seas Shapes bring open and multi-dimensional aquascaping to your saltwater aquarium. Each box contains 2 of the 12†arches, 1 cave, and 1 donut, so the only limit is your imagination.
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Substrates & AquascapingCaribSea
An all-natural freshwater substrate from CaribSea in the Carolina Creek variant, a light tan grain sized between sand and gravel at 1 to 2.5mm. It is pH neutral with no artificial dyes or paints so it will not alter water chemistry, and its small smooth grains are safe for bottom feeders and sand-sifting invertebrates.
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Substrates & AquascapingCaribSea
CaribSea Super Naturals Crystal River is an all-natural freshwater aquarium substrate with a fine sand grain size (0.5–1.0 mm) and a light, naturally pale coloration. Free of artificial dyes and paints and pH-neutral so it will not alter water hardness or pH, its small, smooth grains are safe for bottom-dwelling fish and sand-sifting invertebrates; each bag includes a premeasured dose of beneficial bacteria to help start tank cycling.
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Substrates & AquascapingCaribSea
CaribSea Super Naturals Jelly Beans is an all-natural pebble substrate in jellybean-sized smooth stones (13-26mm) that is pH neutral, free of artificial dyes or paints, and safe for bottom-feeding fish in freshwater aquariums.
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Substrates & AquascapingCaribSea
CaribSea Super Naturals Jungle River Sand is an all-natural pH-neutral freshwater substrate in a mix of beige and brown, with 0.5 to 1.5 mm smooth grains that are friendly to bottom feeders. It contains no artificial dyes or paints and includes a packet of live bacteria to help cycle the aquarium.
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Substrates & AquascapingCaribSea
CaribSea Super Naturals Midnight River is a naturally dark aquarium substrate with a mix of black and deep-toned grains. The dark color makes fish and plant colors pop while giving a natural riverbed look for freshwater aquascapes.
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Substrates & AquascapingCaribSea
An all-natural fine gravel substrate from CaribSea in the Peace River color mix of brown, tan, black, and red with 1.0 to 2.0mm grains. It is pH neutral so it will not raise hardness, contains no artificial dyes or paints, and its small smooth grains are safe for bottom feeders and sand-sifting invertebrates in freshwater aquariums.
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Substrates & AquascapingCaribSea
CaribSea Super Naturals Sunset Gold is an all-natural fine sand substrate (0.25-1.0mm grains) with a natural gold coloration that is pH neutral, free of artificial dyes or paints, and smooth enough for bottom-feeding fish in freshwater aquariums.
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Substrates & AquascapingCaribSea
CaribSea Super Naturals Torpedo Beach is an all-natural freshwater aquarium substrate with an off-white, shoreline-sand appearance and small, smooth grains (0.5–2.0 mm). It contains no artificial dyes or paints and is inert, so it will not affect pH or water hardness, making it safe for bottom-dwelling fish and sand-sifting invertebrates; each bag also includes a premeasured dose of beneficial bacteria to help start tank cycling.
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Substrates & AquascapingCaribSea
CaribSea Super Naturals Zen Garden is an all-natural gravel substrate in beige-to-pink tones (9.5-13mm grains) that is pH neutral, free of artificial dyes or paints, and smooth enough for bottom-feeding fish in freshwater aquariums.
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Substrates & AquascapingCaribSea
CaribSea's LifeRock Table can be used as a base for further aquascaping or as a standalone pedestal to display your favorite corals. The lifted structure allows for plenty of water flow and swimming space below.
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Substrates & AquascapingCaribSea
Live Reef Sand is a great choice for new aquarists and new reef tank setups. Arag-Alive sands clear quickly and contain millions of live bacteria, speeding up your tanks cycle and leading to less nuisance algae.
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