Products (3246)
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ReefWave 45 Replacement Power Supply - Red Sea
Red Sea$54.99ReefWave 25 Replacement Power Supply (does NOT include the cord) -
Reef Complete (250 mL) - Seachem
Seachem$7.38Reef Complete® is a concentrated (160,000 mg/L) optimized blend of ionic calcium designed to restore and maintain calcium to levels found in natural seawater without affecting pH. Calcium and... -
On Sale 20%
On Sale 20%Blue Orange Rhodactis Mushroom Rock WYSIWYG A3 - SAQ Coral Farm
Saltwater Coral Farm$139.99$111.99Blue Orange Rhodactis Mushroom Rock WYSIWYG A3 (Egg crate squares are 3/4") If you are looking to buy vibrant color coral online to add to your reef tank, this is the best choice. Blue Orange... -
Reef Carbonate (500 mL) - Seachem
Seachem$7.59Reef Carbonate™ is a concentrated (4,000 meq/L) optimized blend of carbonate and bicarbonate salts designed to restore and maintain alkalinity in the reef aquarium. Calcium and carbonates are... -
On Sale 20%
On Sale 20%Red Rhodactis Mushroom Rock Colony WYSIWYG - SAQ Coral Farm
Saltwater Coral Farm$139.99$111.99Red Rhodactis Mushroom Rock Colony WYSIWYG (Egg crate squares are 3/4") If you are looking to buy vibrant color coral online to add to your reef tank, this is the best choice. Red Rhodactis... -
On Sale 20%
On Sale 20%Red Rhodactis Mushroom Rock Colony WYSIWYG - SAQ Coral Farm
Saltwater Coral Farm$149.99$119.99Red Rhodactis Mushroom Rock Colony WYSIWYG (Egg crate squares are 3/4") If you are looking to buy vibrant color coral online to add to your reef tank, this is the best choice. Red Rhodactis... -
ReefMat 1200 Fleece Roller Filter - Red Sea
Red Sea$449.00The ReefMat is a plug & play, fully automated, smart fleece roller filter that keeps your aquarium water crystal clear for weeks at a time. Installation Instructions for EVERY Red Sea Model... -
Marco Rocks Reef Saver Premium Rock (25 lb) Box - Marco Rock
MarcoRocks$94.75Marco ReefSaver is a natural rock that is harvested on land from an ancient reef system buried when the Florida land mass was formed. Whether you are building a Saltwater fish only, a Reef tank or a... -
REEF SPEC Carbon (500ml) - Red Sea
Red Sea$19.99Red Sea REEF-SPEC™ Carbon is a premium, highly activated carbon specifically engineered for marine and reef aquariums to ensure the highest standard of water clarity and purity. It is the ultimate... -
Reef Buffer (250g) - Seachem
Seachem$7.99Seachem Reef Buffer – Professional pH & Alkalinity Stabilizer Maintain a Perfect 8.3 pH in Demanding Reef Environments In a thriving reef aquarium, organic acids produce -
Reef Buffer (1 KG) - Seachem
Seachem$23.16Seachem Reef Buffer – Professional pH & Alkalinity Stabilizer Maintain a Perfect 8.3 pH in Demanding Reef Environments In a thriving reef aquarium, organic acids produce -
On Sale 10%
On Sale 10%Frozen Prime Reef (60 cubes, 7 oz) - Ocean Nutrition
Ocean Nutrition$22.99$20.69Made in the USA A natural gourmet diet rich in seafood and algae High protein content -
Reef Complete (500 mL) - Seachem
Seachem$11.33Reef Complete® is a concentrated (160,000 mg/L) optimized blend of ionic calcium designed to restore and maintain calcium to levels found in natural seawater without affecting pH. Calcium and... -
On Sale 15%
On Sale 15%Arag-Alive Bimini Pink Reef Sand (20 lbs) - CaribSea
Caribsea$38.99$33.14You can now bring the world's most exotic reefs into your home with CaribSea's Arag-Alive substrates. Eight environmentally accurate ecoscapes, developed through CaribSea's cooperation with public... -
ReefMat 250 Replacement Fleece Roll - Red Sea
Red Sea$16.00Efficient, high-flow, skimmer friendly non-woven polyester fleece-mat rolls. Installation Instructions for EVERY Red Sea Model - https://www.redseafish... -
Reef Power RP-M V2 Aquarium Wave Maker - Reef Breeders
Reef Breeders$159.99The Reef Power™ RP-M V2 is incredibly slim, yet powerful and quiet. Every Reef Power RP-M V2 includes and updated controller and impeller design and an 18 month warranty. Updated Controller Every... -
Marco Rocks Reef Saver Premium Rock (50 lb) Box - Marco Rock
MarcoRocks$189.50Marco ReefSaver is a natural rock that is harvested on land from an ancient reef system buried when the Florida land mass was formed. Whether you are building a Saltwater fish only, a Reef tank or a... -
ROE - Real Oceanic Fish Eggs (32 oz) - Reef Nutrition
Reef Nutrition$87.25Marine fish eggs harvested from the cold North Atlantic Ocean, the source of the best nutrients. Shipping: Click Here to Learn More about Shipping of Live & Refrigerated Foods from Reef... -
Copepod Habitat - Adaptive Reef
Adaptive Reef$24.99Are you tired of constantly having to dose copepods? Give your beneficial microfauna a safe haven to settle, breed, and multiply with the Adaptive Reef Copepod Habitat. This compact, reef-safe... -
Arag-Alive Special Grade Reef Sand (10 lb) 1.0 - 2.0 mm - Caribsea
Caribsea$19.11You can now bring the world’s most exotic reefs into your home with CaribSea’s Arag-Alive!™ substrates. Eight environmentally accurate ecoscapes, developed through CaribSea’s cooperation with public... -
On Sale 15%
On Sale 15%Rubble Zone Box Dry Rock (1 Gallon ~ 6 lbs) - Caribsea
Caribsea$19.24$16.35High quality aragonitic calcium carbonate perfect for your fragging projects, a jawfish or firefish habitat, creating a cryptic zone or, on the freshwater side; use it as a pond filter media or for... -
On Sale 15%
On Sale 15%Arag-Alive Special Grade Reef Sand (20 lb) 1.0 - 2.0 mm - Caribsea
Caribsea$33.99$28.89You can now bring the world’s most exotic reefs into your home with CaribSea’s Arag-Alive!™ substrates. Eight environmentally accurate ecoscapes, developed through CaribSea’s cooperation with public... -
Marco Rocks Reef Saver Premium Rock (10 lb) Box - Marco Rock
MarcoRocks$37.90Marco ReefSaver is a natural rock that is harvested on land from an ancient reef system buried when the Florida land mass was formed. Whether you are building a Saltwater fish only, a Reef tank or a... -
ROE - Real Oceanic Fish Eggs (6 oz) - Reef Nutrition
Reef Nutrition$25.25Marine fish eggs harvested from the cold North Atlantic Ocean, the source of the best nutrients. Shipping: Click Here to Learn More about Shipping of Live & Refrigerated Foods from Reef... -
ReefWave 25/45 Pump Extension Cable 2m/79" - Red Sea
Red Sea$26.9979" (6.5 feet) extension cable that works with both the ReefWave 25 & 45. -
ROE - Real Oceanic Fish Eggs (16 oz) - Reef Nutrition
Reef Nutrition$49.25Marine fish eggs harvested from the cold North Atlantic Ocean, the source of the best nutrients. Shipping: Click Here to Learn More about Shipping of Live & Refrigerated Foods from Reef... -
ReefLED G2 115 Visor - Red Sea
Red Sea$17.50Light Up Your Tank, Not Your Eyes The ReefLED G2 Visor is an optional clip-on accessory designed to reduce glare and minimize light spillage, keeping more light focused inside your aquarium. Easy to... -
MR Marco Rock Coralline Purple Rock (20 lb Box) - Marcorocks
MarcoRocks$97.79We start with our ReefSaver rock with result looking something straight from the ocean. This is not a wet or "live" product. Our Coralline rock features no paint and no concrete. We use an... -
ReefMat 500 Fleece Roller Filter - Red Sea
Red Sea$399.00The ReefMat is a plug & play, fully automated, smart fleece roller filter that keeps your aquarium water crystal clear for weeks at a time. Installation Instructions for EVERY Red Sea... -
Aquatrance Skimmer Pump 1800S - Reef Octopus
Reef Octopus$138.59Reef Octopus Aquatrance Water Pump w/ Prop Impeller Efficient water pumps provide exceptional performance at an economical price. Direct replacement pumps for newer Reef Octopus calcium rand... -
ReefLED G2 170 Visor - Red Sea
Red Sea$17.50Light Up Your Tank, Not Your Eyes The ReefLED G2 Visor is an optional clip-on accessory designed to reduce glare and minimize light spillage, keeping more light focused inside your aquarium. Easy to... -
Fritz UV Coral Reef Viewing Glasses - Fritz Aquatic
Fritz Aquatics$9.50See your corals in a whole new light through the Fritz Aquatics coral viewing glasses!These specially designed glasses block the blue light so you can see your corals at their most vibrant. -
Reef Mature Starter Kit (Aquarium Cycling Solution 65 Gallon) - Red Sea
Red Sea$39.99Red Sea’s Reef Mature Starter Kit provides a complete program for the biological maturation of your reef aquarium, establishing full nitrification plus nitrate and phosphate reduction in a few weeks... -
Aquatrance Skimmer Pump 1000S - Reef Octopus
Reef Octopus$115.49Cost effective Octopus Protein Skimmer Pumps provide exceptional performance at an economical price. Direct replacement pumps for newer Reef Octopus Classic protein skimmers modified with large... -
On Sale 10%
On Sale 10%LRS Reef Frenzy (7 oz Pack) - Superior Nutrition All-in-One Frozen Food for Marine Fish, Corals & Invertebrates
LRS$21.99$19.79Reef Frenzy is a premium, all-in-one food for marine fish, corals, and invertebrates, designed to provide all the necessary nutrients for a thriving reef aquarium. Favored by hobbyists and endorsed... -
ReefWave 25 Replacement Power Supply - Red Sea
Red Sea$54.99ReefWave 25 Replacement Power Supply (does NOT include the cord) -
Aquatrance Skimmer Pump 3000S - Reef Octopus
Reef Octopus$190.56Cost effective Octopus Protein Skimmer Pumps provide exceptional performance at an economical price. Direct replacement pumps for newer Reef Octopus Classic protein skimmers modified with large... -
MEDIUM (8"-11") Reef Saver Premium Dry Rock (by the lb) - Marco Rock
MarcoRocks$3.75"By the Pound" means you are choosing the weight of your rock. Ex: Qty 10 is 10 Pounds of Rock, NOT 10 Rocks. Selling individual rocks is impossible due to the fact that every -
ReefLED G2 60 Visor - Red Sea
Red Sea$17.50Light Up Your Tank, Not Your Eyes The ReefLED G2 Visor is an optional clip-on accessory designed to reduce glare and minimize light spillage, keeping more light focused inside your aquarium. Easy to... -
KS100 Nilson Kalkwasser Reactor - Reef Octopus
Reef Octopus$392.69Rated for Aquariums up to 130 Gallons Footprint: 5.5" x 5.5" | Body Diameter: 4" | Height: 27.6"Requires control timer and feed pump Gently mixes your calcium hydroxide Reef Octopus Kalk Stirrer...