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Conditioners, RODI systems, marine salt mixes
Plant fertilizers, liquid CO₂, reef dosing pumps, calcium & alkalinity
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In community tanks
Chosen by aquarists
5,380 matching items · Most used first
Water PurificationInstant Ocean
Instant Ocean Sea Salt Mix; synthetic sea salt that simulates natural seawater for thriving marine aquariums. Provides the necessary major, minor, and trace elements for marine fish, invertebrates, plants, and coral growth.
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Climate ControlSea Side Aquatics
Sea Side Aquatics 4-fan aquarium cooling fan is a cost-effective evaporative cooling solution for small temperature rises (recommended for aquariums up to 40 gal). Features a hinged adjustable mounting bracket, adjustable flow direction and low power consumption; also cools lighting systems.
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OtherTwo Little Fishies
SeaVeggies flakes contain only seaweed, no fillers, making them a great natural choice to provide the nutrition your fish need to remain healthy, colorful, grow, and reproduce. Intended for herbivores, such as: Tangs and Surgeonfish Angelfish Moorish Idols Parrotfish Large Butterflyfish Cichlids and Goldfish
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OtherTwo Little Fishies
The Two Little Fishies Sea Veggies Floating Clip is a unique plastic clip with a large suction cup that securely holds seaweed products to the aquarium glass. It floats for easy retrieval if dropped; no metal parts, so no risk of rust. Suitable for both freshwater and saltwater tanks.
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OtherTwo Little Fishies
This unique plastic clip has a large suction cup that securely holds seaweed products. Attaches to your tank easily and holds securely to the aquarium glass.
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SupplementationKorallen Zucht
Korallen-Zucht Sea Water Complex 500mL; combination of nearly all trace elements used and required by corals. Not for use with the ZEOvit system; designed for reefers using other systems; dose 1 mL per 25 gallons daily.
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Substrates & AquascapingSeachem
Seachem Flourish Glue is a cyanoacrylate gel for bonding aquarium plants and moss to rocks, driftwood, and gravel in seconds. It can be used underwater in freshwater and saltwater aquariums and comes in an aluminum tube for extended stability.
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FilterSeachem
A pre-bagged 100mL format of Seachem's MatrixCarbon spherical-bead activated carbon; the unique low-ash, phosphate-minimal carbon efficiently removes dissolved organics, tannins, medications, toxins, and odors with minimal impact on pH.
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FilterSeachem
Seachem's unique spherical-bead activated carbon for superior chemical filtration in freshwater and marine aquariums; it has very low ash content with minimal pH impact and the lowest leachable phosphate of major carbon brands, and 250mL treats 100 gallons for several months.
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FilterSeachem
The Seachem PhosGuard Phosphate & Silicate Control (100 mL) rapidly removes phosphate and silicate from marine and freshwater aquaria; bead-shaped for optimum flow and highly porous for high capacity. Helps reduce hair algae and enhance coral growth; each liter treats up to 300 gallons.
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Water PurificationSeachem
Seachem Prime is a highly concentrated water conditioner for fresh and saltwater that removes chlorine and chloramine and detoxifies ammonia, nitrite, nitrate, and heavy metals without affecting pH. A 500 mL bottle treats 20,000 liters, making it the standard choice for new tanks and water changes.
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FilterSeachem
Biological filter media for Seachem Tidal filters. The porous media provides surface area for beneficial bacteria.
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Substrates & AquascapingSeaView
The SeaView Seascape/Natural Mystic Aquarium Background is a double-sided background with two designs to choose from, adding depth and visual interest while concealing cords and filters.
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Substrates & AquascapingSeaView
Seaview Seascape Natural Mystic is an 18 by 36 inch printed aquarium background with a natural underwater scene. The background adds depth to the tank without paint or adhesive.
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LightsSan Francisco Bay Brand
A frozen fish food for vegetarian freshwater and saltwater fish, with 30 cubes (3.5 oz) blending natural seaweeds, fresh vegetables, color enhancers, vitamins, garlic, and chlorophyll. It is a nutritious herbivore formula suitable for tangs and other algae-eating fish.
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OtherHikari
Try Seaweed Extreme from Hikari - scientifically formulated for all types of marine herbivores. The nutrient-rich Seaweed Extreme formula contains 67% seaweed and supports rapid growth, a healthy immune system and vibrant coloration.
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OtherDVH
DVH Seaweed Green (30 g) is a dried seaweed food made from premium-quality seaweed, rich in natural vitamins and minerals, formulated to meet the green dietary needs of algae-eating marine fish.
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OtherOcean Nutrition
Ocean Nutrition Seaweed Select Red Marine Algae with natural garlic extract (10 sheets) is an optimal food source and color enhancer for damselfish, small angelfish, sponge feeders, and other marine fish with softer mouth parts. All-natural, very nutritious supplement rich in vitamin C and 100% digestible for grazing fish including tangs, rabbitfish, large angelfish, pygmy angels, wrasses, damsels, and some butterflyfish; also great for marine invertebrates and herbivorous freshwater fish; garlic extract increases acceptance by difficult eaters.
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OtherOcean Nutrition
Ocean Nutrition Seaweed Selects Green Marine Algae with natural garlic extract (10 sheets) is an optimal food source and color enhancer for damselfish, small angelfish, sponge feeders, and other marine fish with softer mouth parts. All-natural, very nutritious supplement rich in vitamin C and 100% digestible for grazing fish including tangs, rabbitfish, large angelfish, pygmy angels, wrasses, damsels, and some butterflyfish; also great for marine invertebrates and herbivorous freshwater fish; garlic extract increases acceptance by difficult eaters.
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Water PurificationAquaReady
The AquaReady Sediment Cartridge (5 micron, 2.5 x 10 in) replaces the first-stage filter in AquaReady RO systems, removing dirt, sand, silt, and rust; replace at least every 6 months; compatible with most standard 10-inch RO systems.
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Substrates & AquascapingLifegard Aquatics
The Seiryu Smoky Mountain Stone 25 lb Hardscape Kit is a set of nine 100% natural darker-gray aquascaping stones (1 large, 2 medium, 6 small) with distinctive white veining, marketed as inert for freshwater planted aquariums to create a visual focal point that brings out fish colors.
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Substrates & AquascapingAqua Forest Aquarium
Seiryu Stone is a grey stone with sharp edges and crevices, the most popular stone for Iwagumi layouts; works with stem plants and ground cover plants (Glossostigma, Hemianthus Callitrichoides, Eleocharis). Minimum order 5 lbs; approx. size 3-12 inches; may raise pH and hardness slightly.
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OtherAmerican Marine
Why does BRS recommend this? Selcon is a vitamin and fatty acid booster for marine fish that has proven its value in this hobby.
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OtherBulk Reef Supply
Self piercing saddle valves directly plumb RO units to household water supply. 1/4" Compression fitting Works with copper and plastic pipe Designed for use with our saltwater aquarium line of RO systems Two Sizes Available Fits 3/8" to 5/8" pipe Fits up to 1-1/4" pipe Self Piercing Saddle Valve Installation Instructions Choose a location as close to the RO unit as possible.
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Substrates & AquascapingAqua Forest Aquarium
Sensei Stone is a unique variation of natural Magura sandstone with a three-dimensional form and striking reddish hue, related to Blue Fin stone. Mostly inert with minimal impact on water chemistry; promotes plant growth on its surfaces and provides habitats for invertebrates. Available in Regular, Medium, Large, and X-Large mixes.
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FilterSera
The Sera L Shape Sponge Filter is an air-driven internal filter that works as an airlift or mammoth pump, pulling aquarium water upward through a standpipe and back through a fine-pored sponge for mechanical filtration and a large surface for pollutant-decomposing nitrifying bacteria. It attaches with suction cups, is easy to assemble, and is ideal for rearing larvae and juvenile fish that could be drawn into conventional filters.
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OtherSera
sera Vipan Nature is a staple food of floating flakes without dyes or preservatives for all ornamental fish that eat at the water surface. It contains insect meal as a sustainable, high-quality protein source plus natural ingredients and prebiotics for a near-natural diet supporting healthy growth and development.
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OtherSera
sera Vipan is the universal staple food of carefully manufactured floating flakes for all ornamental fish, especially those that eat at the water surface. Selected ingredients with a prebiotic effect enhance health and liveliness, and the tasty shape-retaining flakes float for a long time so they are eaten entirely without polluting the water.
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FilterEHEIM
EHEIM set of fine and coarse filter pads for mechanical and biological filtration in eXperience/professionel 150, 250, and 250T filters. The porous material traps large and small dirt particles and provides good colonisation conditions for purification bacteria that decompose harmful substances; the pads are reusable many times over and are cleaned by simply rinsing and squeezing out.
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Tank & FurnitureFiji Cube
The Fiji Cube 57 Gallon Shallow External Overflow Rimless Aquarium (35.43 x 23.62 x 15.75 in, 12mm low-iron glass) includes an EOF-12 external overflow box (1200 GPH, bean-animal compatible), dual return jet kits, rubber leveling mat, and beveled edges with black silicone.
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