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 & AquascapingBuce Plant
MarcoRocks Premium Shelf Rock in Coralline is a 20 lb box of natural calcium carbonate rock formed from ancient reef structures, highly porous with no chemicals or additives. The flat shelf pieces stack horizontally for dynamic rock work and can be cemented with bonding mortar for a seamless look.
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Substrates & AquascapingBuce Plant
MarcoRocks Premium Shelf Rock in Natural is a 40 lb box of all-natural calcium carbonate rock formed from ancient reef structures, highly porous with no chemicals or additives. The flat shelf pieces stack horizontally atop foundation rock and pair with Hybrid and Reef Saver rocks for dynamic aquascapes; cement with bonding mortar for a seamless look.
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Substrates & AquascapingWalt Smith
Project Reef Rock 2.1 by Walt Smith is a handmade dry reef rock with a porous interior and a purple coralline-algae-look coating so new tanks look seasoned quickly. Available in 11, 22, and 55 lb boxes, it is manufactured from reef substrate and cement, cured for 6+ weeks, and should be cured again before use.
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Substrates & AquascapingReal Reef Solutions
A curated 16-piece box of Real Reef man-made aquascaping rock sized for 20-40 gallon aquariums; porous, bio-active rock that replicates coralline-encrusted coral skeleton without the pests of wild-harvested live rock.
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Substrates & AquascapingNot specified
A highly porous red volcanic gravel suitable for freshwater aquarium use. Inert and safe for water chemistry, its lightweight, porous granules work as both substrate and filter media, providing abundant surface area for beneficial bacteria and biofilm colonization. A preferred substrate for Neocaridina shrimp such as Cherries; rinse before use. Available in 2, 10, and 20 pound bags.
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Substrates & AquascapingCeramicNature
The CeramicNature Red D-Shaped Breeding Cave (Medium) is handmade from aquarium-safe ceramic in the Netherlands. Designed for the L46 (Hypancistrus zebra) and other small L-numbers up to 12 cm long, its closed-back design encourages males to guard eggs and provides secure shelter for small bottom-dwelling species.
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Substrates & AquascapingAqua Natural
Aqua Natural Red Flint Gravel Substrate is a deep-red 4-6mm pebble river gravel for freshwater aquariums, usable as a cap layer for planted tanks, with minimal effect on water chemistry.
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Substrates & AquascapingBuce Plant
Red Lava Rock is a highly porous natural volcanic stone in deep brick-red to burnt-orange tones, widely used in planted tanks and African Cichlid setups. Its textured, hole-filled surface provides massive surface area for beneficial nitrifying bacteria and is ideal for anchoring mosses, ferns, and other epiphytic plants; it also works as a textured accent in terrariums and paludariums.
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Substrates & AquascapingUltum Nature Systems
Red Manten Stone is a popular aquascaping stone recognized for its rich red-brown color, rugged texture, and naturally layered appearance. Its warm, earthy tones add contrast and dimension to planted aquariums, and it pairs beautifully with green plants and mosses.
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Substrates & AquascapingUltum Nature Systems
Red Petrified Wood is a natural stone formed from the fossilized remains of ancient trees and terrestrial vegetation. Over millions of years, organic materials have been replaced by minerals to create a dense, beautiful stone that retains the intricate grain and character of its prehistoric origin. This variety features deep brick-reds and warm earthy tones, perfect for recreating a submerged redwood forest. Also suitable for terrariums, paludariums, or bioactive enclosures. Pieces range from 5-12 inches. Available in 10lb ($44.99), 20lb ($74.99), and 30lb ($99.99) packs.
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Substrates & AquascapingUltum Nature Systems
Red River Slate is a natural red rock with occasional brown and white streaks and a semi-smooth finish. The coloration becomes significantly bolder when wet, showcasing a vibrant red color that provides a visually striking contrast when used with lush green plants in an aquascape. This stone has great stacking potential due to its relatively flat shape, making it an excellent choice for creating river or lake-inspired layouts or a waterfall effect in paludariums and terrariums. Also suitable for any planted enclosures. Stones vary in shape, size, and density. Sold in 5LB, 10LB, 20LB, and 30LB options.
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Substrates & AquascapingCeramicNature
The CeramicNature Red Triangle Breeding Cave (Large) is a handmade aquarium-safe ceramic shelter with an open front and closed back, designed for breeding L-number plecos up to 16 cm.
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Substrates & AquascapingLifegard Aquatics
LifeGard Aquatics Redwood Petrified Stone is a 25-pound box of 100% natural aquascaping rock — approximately 1 large, 3 medium, and 10 small pieces — prized for its rust-red tone and fossilized wood-grain texture. Formed over millions of years as ancient wood was mineralized into stone, it creates a striking hardscape focal point in freshwater planted aquariums, and it may slightly raise water pH and hardness.
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Substrates & AquascapingBuce Plant
The Reef Rock Showpiece (RRS001) is a WYSIWYG one-of-a-kind reef rock structure individually photographed so you receive the exact piece shown. It is all-natural calcium carbonate with no chemicals or artificial additives, featuring a highly porous yet architecturally sound structure finished in non-painted Coralline for the look of an established reef from the start.
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Substrates & AquascapingBuce Plant
The Reef Rock Showpiece (RRS015) is a WYSIWYG one-of-a-kind reef rock structure individually photographed so you receive the exact piece shown. It is all-natural calcium carbonate with no chemicals or artificial additives, featuring a highly porous yet architecturally sound structure finished in non-painted Coralline for the look of an established reef from the start.
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Substrates & AquascapingBuce Plant
The Reef Rock Showpiece (RRS017) is a WYSIWYG one-of-a-kind reef rock structure individually photographed so you receive the exact piece shown. It is all-natural calcium carbonate with no chemicals or artificial additives, featuring a highly porous yet architecturally sound structure finished in non-painted Coralline for the look of an established reef from the start.
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Substrates & AquascapingBuce Plant
The Reef Rock Showpiece (RRS020) is a WYSIWYG one-of-a-kind reef rock structure individually photographed so you receive the exact piece shown. It is all-natural calcium carbonate with no chemicals or artificial additives, featuring a highly porous yet architecturally sound structure finished in non-painted Coralline for the look of an established reef from the start.
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Substrates & AquascapingBuce Plant
The Reef Rock Showpiece (RRS021) is a WYSIWYG one-of-a-kind reef rock structure individually photographed so you receive the exact piece shown. It is all-natural calcium carbonate with no chemicals or artificial additives, featuring a highly porous yet architecturally sound structure finished in non-painted Coralline for the look of an established reef from the start.
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Substrates & AquascapingBuce Plant
The Reef Rock Showpiece (RRS022) is a WYSIWYG one-of-a-kind reef rock structure individually photographed so you receive the exact piece shown. It is all-natural calcium carbonate with no chemicals or artificial additives, featuring a highly porous yet architecturally sound structure finished in non-painted Coralline for the look of an established reef from the start.
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Substrates & AquascapingBuce Plant
The Reef Rock Showpiece (RRS023) is a WYSIWYG one-of-a-kind reef rock structure individually photographed so you receive the exact piece shown. It is all-natural calcium carbonate with no chemicals or artificial additives, featuring a highly porous yet architecturally sound structure finished in non-painted Coralline for the look of an established reef from the start.
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Substrates & AquascapingBuce Plant
The Reef Rock Showpiece (RRS024) is a WYSIWYG one-of-a-kind reef rock structure individually photographed so you receive the exact piece shown. It is all-natural calcium carbonate with no chemicals or artificial additives, featuring a highly porous yet architecturally sound structure finished in non-painted Coralline for the look of an established reef from the start.
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Substrates & AquascapingBuce Plant
The Reef Rock Showpiece (RRS025) is a WYSIWYG one-of-a-kind reef rock structure individually photographed so you receive the exact piece shown. It is all-natural calcium carbonate with no chemicals or artificial additives, featuring a highly porous yet architecturally sound structure finished in non-painted Coralline for the look of an established reef from the start.
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Substrates & AquascapingBuce Plant
The Reef Rock Showpiece (RRS026) is a WYSIWYG one-of-a-kind reef rock structure individually photographed so you receive the exact piece shown. It is all-natural calcium carbonate with no chemicals or artificial additives, featuring a highly porous yet architecturally sound structure finished in non-painted Coralline for the look of an established reef from the start.
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Substrates & AquascapingBuce Plant
The Reef Rock Showpiece (RRS027) is a WYSIWYG one-of-a-kind reef rock structure individually photographed so you receive the exact piece shown. It is all-natural calcium carbonate with no chemicals or artificial additives, featuring a highly porous yet architecturally sound structure finished in non-painted Coralline for the look of an established reef from the start.
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Substrates & AquascapingMarcoRocks
MarcoRocks BRS Reef Saver Dry Aquarium Live Rock is eco-friendly natural calcium carbonate rock quarried from ancient dry reefs (pest-free, sustainable), with porous shapes ideal for aquascaping; use ~1 lb per gallon.
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Substrates & AquascapingMarcoRocks
MarcoRocks Reef Saver Hybrid Rock is all-natural calcium carbonate dry rock that blends the height and robustness of Reef Saver with the ridges and overhangs of Shelf rock, making it easy to aquascape a saltwater aquarium. It is sustainably sourced, pest-free, and cleaned without chemicals; boxed in 20 lb or 40 lb options.
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Substrates & AquascapingMarcoRocks
A pedestal-shaped dry live rock from MarcoRocks with a flat-cut frag top; the pest-free Reef Saver rock stands upright on a flat-cut base, giving coral frags display space plus shaded areas for lower-light corals. Sold per piece at roughly 11 by 7 by 5 inches overall.
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Substrates & AquascapingBuce Plant
MarcoRocks Reef Saver Rock in Coralline is a 20 lb box of all-natural calcium carbonate rock sourced for color, porosity, and purity, with no chemicals or additives. The highly porous pieces pair with Foundation, Shelf, and Hybrid rocks for unique aquascapes and can be cemented with bonding mortar for a seamless look.
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Substrates & AquascapingBuce Plant
MarcoRocks Reef Saver Rock in Natural is a 40 lb box of all-natural calcium carbonate rock sourced for color, porosity, and purity, with no chemicals or additives. The highly porous pieces pair with Foundation, Shelf, and Hybrid rocks for unique reef aquascapes and can be cemented with bonding mortar for a seamless look.
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Substrates & AquascapingMarcoRocks
MarcoRocks Reef Saver Shelf Rock is sold by the pound, 100% pest-free natural calcium carbonate rock (5-15 in pieces) perfect for layered aquascapes with overhangs and caves; sustainable, with excellent porosity for biological filtration.
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