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In community tanks
Chosen by aquarists
67 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 & 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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OtherCaribSea
CaribSea FragZone coral mounts; aragonite-based rubble (~2 inches, 9-12 pieces, 2.25 lbs) with a natural mature reef look that blends into established rockscapes. Infused with spored bacteria; environmentally friendly.
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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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SupplementationCaribSea
CaribSea Purple Up (250 ml) uses a patented dual-method approach to accelerate coralline algae growth in marine aquariums. Ionic calcium immediately raises dissolved calcium while 10-micron Super Sea Calcium aragonite powder dissolves on live rock, delivering calcium, strontium, magnesium and carbonate where needed, and it replenishes iodine essential for coralline algae tissue. It is not a fertilizer and does not promote nuisance algae.
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SupplementationCaribSea
CaribSea Purple Up (500 ml) uses a patented dual-method approach to accelerate coralline algae growth in marine aquariums. Ionic calcium immediately raises dissolved calcium while 10-micron Super Sea Calcium aragonite powder dissolves on live rock, delivering calcium, strontium, magnesium and carbonate where needed, and it replenishes iodine essential for coralline algae tissue. It is not a fertilizer and does not promote nuisance algae.
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OtherCaribSea
Aquascaping made fast and easy Create dramatic rock sculptures instantly Easily attach corals to existing structures Can be used underwater or out of water Sets in 2 minutes Safe for use in marine and reef aquariums Easily bond rocks to created dramatic structures or attach corals to your existing reef scape. CaribSea Rock Lock is a fast-setting reef cement that can be used either in or out of water to create bonds in mere minutes.
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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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