Products (1375)
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Bacto Reef Balls (250 ml) - Live Reef Bacteria - Fauna Marin
Fauna Marin$46.19Millions of live reef-bacteria and enzymes in depot balls for easy dosing. BACTO REEF BALLS EFFECT: Crystal clear & healthy water, nutrition control and easy reduction of ammonia, nitrite,... -
Hydrat-MG (500 mL) - Brightwell
Brightwell Aquatics$11.83Solution of Hydrated Magnesium Salts for Use in Reef and Marine Aquaria Overview Safely increases magnesium concentration in all marine and reef aquaria. Utilizes specific magnesium salts to... -
Blackwater (500mL) - Brightwell
Brightwell Aquatics$15.54Description Establishes similar water conditions to those found in blackwater rivers that is important to many aquarium fish and plants. Help simulate the onset of the rainy season for -
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Coral Dust Soft & LPS Coral Food (100 ml) - Fauna Marin
Fauna Marin$27.71Natural food particles for keeping colorful Ricordias and Zoas, Discosoma and small polyp corals like Goniopora and others. Dosing: Add 1/4 tsp with Aquarium water mix it and dose this amount for... -
(SAMPLE) Coral Dust Powder Coral Food - Fauna Marin
Fauna Marin$2.50Sample of this amazing food! Natural food particles for keeping colorful Ricordias and Zoas, Discosoma and small polyp corals like Goniopora and others. Dosing: Add 1/4 tsp with Aquarium water... -
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On Sale 10%
On Sale 10%SMS-4815 Smart Series Sump - Bashsea
Bashsea$869.99$782.99Designed with the popular Triton method in mind, yet Smart Series Sumps can be used in any traditional method as well: Triton Berlin Tech Traditional Custom Pair that with our bold look,... -
Osmolator 3 Nano ATO Auto Top Off - Tunze
Tunze$149.99The TUNZE® Osmolator® 3 nano is a simple and safe device with just one sensor for maintaining a constant water level in aquarium systems up to approx. 250 liters (66 US gal.), can be placed in... -
On Sale 10%
On Sale 10%SS-30 Signature Series Sump (30" x 15" x 16") - Bashsea
Bashsea$549.99$494.99Signature Series Sumps - Bashsea's flagship sump series that changed the industry. Bashsea's Signature Series Sumps are packed with premium features that are normally considered custom by other sumps... -
Nitrate Pro (NO3) High Definition Comparator Test Kit - 100 Tests - Red Sea
Red Sea$57.99Red Sea’s Nitrate Pro Test Kit is an advanced colorimetric test with comparator, measuring the level of nitrate in your reef aquarium to an exceptionally high accuracy of 0.12ppm NO3. Nitrate Pro... -
(5 Pack) Aquacultured Tuxedo Urchins (Mespilia globulus) 0.5" - 1.0" - ORA Chicago
ORA$119.99The Best-Dressed Algae Eater - 0.5" - 1.0" Introduce a touch of class and unmatched cleaning power to your aquarium with the Tuxedo Urchin. Arguably one of the most beautiful and popular urchins in... -
On Sale 10%
On Sale 10%SS-48 Signature Series Sump (48" x 15" x 16") - Bashsea
Bashsea$989.99$890.99Signature Series Sumps - Bashsea's flagship sump series that changed the industry. Bashsea's Signature Series Sumps are packed with premium features that are normally considered custom by other sumps... -
On Sale 10%
On Sale 10%SS-60 Signature Series Sump (60" x 15" x 16") - Bashsea
Bashsea$1,299.99$1,169.99Signature Series Sumps - Bashsea's flagship sump series that changed the industry. Bashsea's Signature Series Sumps are packed with premium features that are normally considered custom by other sumps... -
On Sale 10%
On Sale 10%SMS-4818 Smart Series Sump - Bashsea
Bashsea$999.99$899.99Designed with the popular Triton method in mind, yet Smart Series Sumps can be used in any traditional method as well: Triton Berlin Tech Traditional Custom Pair that with our bold look,... -
On Sale 51%
On Sale 51%(EXPIRED 11/25) Nitrate Pro (NO3) High Definition Comparator Test Kit - 100 Tests - Red Sea
Red Sea$54.99$26.99Red Sea’s Nitrate Pro Test Kit is an advanced colorimetric test with comparator, measuring the level of nitrate in your reef aquarium to an exceptionally high accuracy of 0.12ppm NO3. Nitrate Pro... -
Aquacultured Ponape Birdsnest Coral (Seriatopora sp.) - ORA
ORA$33.99The Ponape Birdsnest from ORA is a beautifully colored compact growing Seriatopora variety. The short, thin branches are light green with stunning pink tips and the corallites are pronounced giving... -
On Sale 10%
On Sale 10%SMS-3615 Smart Series Sump - Bashsea
Bashsea$599.99$539.99Designed with the popular Triton method in mind, yet Smart Series Sumps can be used in any traditional method as well: Triton Berlin Tech Traditional Custom Pair that with our bold look,... -
On Sale 10%
On Sale 10%SS-Cube Signature Series Sump (20" x 20" x 16") - Bashsea
Bashsea$549.99$494.99Signature Series Sumps - Bashsea's flagship sump series that changed the industry. Bashsea's Signature Series Sumps are packed with premium features that are normally considered custom by other sumps... -
On Sale 10%
On Sale 10%SMS-3015 Smart Series Sump - Bashsea
Bashsea$489.99$440.99Designed with the popular Triton method in mind, yet Smart Series Sumps can be used in any traditional method as well: Triton Berlin Tech Traditional Custom Pair that with our bold look,... -
Kalkwasser Additive (1000g) - Fauna Marin
Fauna Marin$43.88A Convenient Way to Maintain and Stabilize Calcium and pH Levels Fauna Marin Kalkwasser is an easy-to-use solution for maintaining calcium and alkalinity levels in a reef aquarium. It removes the... -
Kalkwasser Additive (2.75kg) - Fauna Marin
Fauna Marin$103.94A Convenient Way to Maintain and Stabilize Calcium and pH Levels Fauna Marin Kalkwasser is an easy-to-use solution for maintaining calcium and alkalinity levels in a reef aquarium. It removes the... -
On Sale 10%
On Sale 10%SMS-3618 Smart Series Sump - Bashsea
Bashsea$719.99$647.99Designed with the popular Triton method in mind, yet Smart Series Sumps can be used in any traditional method as well: Triton Berlin Tech Traditional Custom Pair that with our bold look,... -
On Sale 10%
On Sale 10%SMS-3018 Smart Series Sump - Bashsea
Bashsea$559.99$503.99Designed with the popular Triton method in mind, yet Smart Series Sumps can be used in any traditional method as well: Triton Berlin Tech Traditional Custom Pair that with our bold look,... -
Kalkwasser Additive (500g) - Fauna Marin
Fauna Marin$23.09A Convenient Way to Maintain and Stabilize Calcium and pH Levels Fauna Marin Kalkwasser is an easy-to-use solution for maintaining calcium and alkalinity levels in a reef aquarium. It removes the... -
On Sale 10%
On Sale 10%SS-36 Signature Series Sump (36" x 15" x 16") - Bashsea
Bashsea$644.99$580.49Signature Series Sumps - Bashsea's flagship sump series that changed the industry. Bashsea's Signature Series Sumps are packed with premium features that are normally considered custom by other sumps... -
Rebiotic Natural Probiotic Bacteria (250 ml) - Fauna Marin
Fauna Marin$83.10ReBiotic is a 100% natural bacteria-based product that contains a unique mixture of bacteria strains. The addition of these special strains help replenish bacterial stability and repair existing... -
BYOTIC Probiotic Bacteria (75g) - NYOS
NYOS$44.99Probiotic Bacteria for Natural Balance Restores the Natural Biological Bacterial Balance in the Aquarium Specially Developed Formula Made from Highly Concentrated, BYOTIC Bacteria Better Polyp... -
Freshwater ATO Reservoir (10 Gal.) - IceCap
Icecap$148.49Freshwater Reservoir For Storing Auto-Top-Off Water IceCap Freshwater Reservoirs are designed to hold a fixed amount of top-off water for your ATO system. The reservoir is fully enclosed to prevent... -
NO3 : PO4-X NOPOX - Nitrate & Phosphate Reducer (1000 ml / 33 oz) - Red Sea
Red Sea$36.991000 ML - 33 oz Bottle Red Sea NO3: PO4-X is a unique complex of carbons that are used by nutrient reducing bacteria. Each carbon in the complex is utilized by different strains of microorganisms... -
Freshwater ATO Reservoir (5 Gal.) - IceCap
Icecap$120.99Freshwater Reservoir For Storing Auto-Top-Off Water IceCap Freshwater Reservoirs are designed to hold a fixed amount of top-off water for your ATO system. The reservoir is fully enclosed to prevent... -
NO3 : PO4-X NOPOX - Nitrate & Phosphate Reducer (500 ml / 16 oz) - Red Sea
Red Sea$24.99500 ML - 16 oz Bottle Red Sea NO3: PO4-X is a unique complex of carbons that are used by nutrient reducing bacteria. Each carbon in the complex is utilized by different strains of microorganisms... -
Nitrate Minus (250 ml) - NYOS
NYOS$18.99Achieve Near-Detection-Limit Water Purity Nyos® Nitrate Minus is a high-purity, innovative solution designed to biologically reduce nitrate levels in marine and fresh -
Reef Iron (500 mL - 16 oz) - Seachem
Seachem$13.99Iron is an essential element required in metabolic processes, protein synthesis, and growth of corals and macroalgae. Iron supplementation can enhance coral and macroalgae growth and color –... -
Freshwater ATO Reservoir (15 Gal.) - IceCap
Icecap$229.99Freshwater Reservoir For Storing Auto-Top-Off Water IceCap Freshwater Reservoirs are designed to hold a fixed amount of top-off water for your ATO system. The reservoir is fully enclosed to prevent... -
Freshwater ATO Reservoir (2.5 Gal.) - IceCap
Icecap$89.99Freshwater Reservoir For Storing Auto-Top-Off Water IceCap Freshwater Reservoirs are designed to hold a fixed amount of top-off water for your ATO system. The reservoir is fully enclosed to prevent... -
Reef Iron (250 mL - 8 oz) - Seachem
Seachem$11.99Iron is an essential element required in metabolic processes, protein synthesis, and growth of corals and macroalgae. Iron supplementation can enhance coral and macroalgae growth and color –... -
Rebiotic Natural Probiotic Bacteria (100 ml) - Fauna Marin
Fauna Marin$38.10ReBiotic is a 100% natural bacteria-based product that contains a unique mixture of bacteria strains. The addition of these special strains help replenish bacterial stability and repair existing... -
Phosphate Pro Test Kit (PO4) - 100 Tests - Red Sea
Red Sea$57.99Red Sea’s Phosphate Pro Test Kit is an advanced colorimetric test with comparator, measuring the level of phosphate in your reef aquarium to an exceptionally high accuracy of 0.02ppm PO4. Phosphate... -
Calcium Pro-High accuracy Titration Test Kit (75 tests) - Red Sea
Red Sea$44.99Red Sea’s Calcium Pro Test Kit is an advanced calcium titration test, measuring the level of calcium in your reef aquarium to an exceptionally high accuracy of 5 ppm. This test kit enables the...
Featured Products
On Sale
11%
On Sale
11%
(OPEN BOX) AI Prime 16HD Reef Aquarium LED, Black - AquaIllumination
AquaIllumination
$279.99
$249.99
UNUSED CUSTOMER RETURN
On Sale
20%
On Sale
20%
(Three Pack) Random Mystery ULTRA COLOR Rock Flower Anemone Coral (3/4" - 1") - SAQ Coral Farm
Saltwater Coral Farm
$249.99
$199.99
Three random ULTRA Mystery Rock Flower Anemone coral 3/4" - 5"+ in size.
Pictured Anemones are examples of some of the types of random ULTRA Mystery Anemones that may be sent to you. If you are...
On Sale
20%
On Sale
20%
(10 Pack) Random Mystery Rock Flower Anemone Coral (3/4" - 5") - SAQ Coral Farm
Saltwater Coral Farm
$199.99
$159.99
Ten Random Mystery Rock Flower Anemone Coral 3/4" - 5"+ in size.
Pictured Anemones are examples of some of the types of random Mystery Anemones that may be sent to you. If you are looking to...
On Sale
15%
On Sale
15%
WIFI DongleXE for Kessil A360X - Kessil
Kessil
$109.00
$92.65
Unlock global cloud control and effortless wireless lighting management with the Kessil WiFi DongleXE. Designed to plug directly into the K-Link port of compatible Kessil LED fixtures, the WiFi...
On Sale
15%
On Sale
15%
AP9XE Aquarium LED Light - Kessil
Kessil
$959.00
$815.15
Elevate your reef's growth, coloration, and shimmer with the Kessil AP9XE, Kessil's premier flagship sa
LRS Premium Green Nori (20 Half Sheets / 1 oz) (Porphyra yezoensis) Seaweed - LRS Foods
LRS
$9.99
Give Your Fish the Purest, Most Nutritious Seaweed on the Market!
20x 1/2 Sheets 7.5" x 4"
Introducing LRS Premium Green Seaweed, the superior choice for discerning aquarists who demand the best...
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
$19.79
Reef 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...
On Sale
12%
On Sale
12%
Apex DOS QD Quiet Drive Automatic Dosing System - Neptune System
Neptune Systems
$374.99
$329.00
DŌS QuietDrive - Dose. Automate. Protect.
New QuietZone Modes for Reduced Noise
New Continuous Duty Modes
Same Reliable DŌS Hardware
Compatible with A2 and A3 Series Apex Controllers
In the...
On Sale
10%
On Sale
10%
Orbit 4 Cross-Flow Gyre Wave Pump - AquaIllumination
AquaIllumination
$349.00
$314.00
Flow Comes Full Circle
Versatile Cross-Flow Pump
Control with MyAI, Mobius, or MXM
Four Easy-to-Use Pump Modes
Ideal for Aquariums 20 Gallons and Larger
Orbit pumps produce a unique type of...
On Sale
20%
On Sale
20%
Axis 20 Centrifugal Sump Pump (185 GPH) - AquaIllumination
AquaIllumination
$99.00
$79.00
Big Pump Features in Pumps of All Sizes
Control with MyAI, Mobius, or MXM
Three Easy-to-Use Pump Modes
Ideal for All-In-One Aquariums up to 15 Gallons
Axis pumps offer full control, wireless...
On Sale
13%
On Sale
13%
39" Blade Coral Grow Smart Strip LED Light - AquaIllumination
AquaIllumination
$379.99
$330.00
The Blade Grow offers immense power in a thin package. Coral Grow features a LED mix that maximizes spectral peaks needed for coral photosynthesis. Use alone or augment with the Blade Glow for a...
On Sale
4%
On Sale
4%
A3 Apex PRO System (A3PROSYS) - Neptune Systems
Neptune Systems
$974.99
$933.99
Key New Features in our A3 Series:
The A3 Pro will include all new, industry-first, Liquid Level Sensor (LLS) which will have the ability to measure and monitor the depth of water and a new optical...
On Sale
7%
On Sale
7%
A3 Apex System (A3APEXSYS) - Neptune Systems
Neptune Systems
$659.99
$615.00
Key New Features in our A3 Series:
The A3 Apex will include a new Magnetic Optical Sensor that is designed to better prevent water incursion and includes our classic Solid Surface Leak Detector...
On Sale
12%
On Sale
12%
Radion XR30 G6 Pro LED Light Fixture - EcoTech Marine
Ecotech Marine
$999.00
$879.00
In the aquarium, enjoy richer colors, pop more fluorescence and create the ultimate balance between crisp and actinic. From its inception, Radion has set the standard for what full spectrum aquarium...
On Sale
12%
On Sale
12%
Radion XR30 G6 Blue LED Light Fixture - EcoTech Marine
Ecotech Marine
$999.00
$879.00
In the aquarium, enjoy richer colors, pop more fluorescence and create the ultimate balance between crisp and actinic. From its inception, Radion has set the standard for what full spectrum aquarium...
On Sale
12%
On Sale
12%
Radion XR15 G6 Pro LED Light Fixture - EcoTech Marine
Ecotech Marine
$549.88
$483.89
In the aquarium, enjoy richer colors, pop more fluorescence and create the ultimate balance between crisp and actinic. From its inception, Radion has set the standard for what full spectrum aquarium...
On Sale
12%
On Sale
12%
Radion XR15 G6 Blue LED Light Fixture - EcoTech Marine
Ecotech Marine
$549.88
$483.89
In the aquarium, enjoy richer colors, pop more fluorescence and create the ultimate balance between crisp and actinic. From its inception, Radion has set the standard for what full spectrum aquarium...
HI97115UC Bluetooth Marine Master Multiparameter Checker - Hanna Instruments
Hanna Instruments
$499.99
Hanna Instruments HI97115UC Marine Master Bluetooth Multiparameter Checker
Precision Testing for the Serious Reef Hobbyist
Achieve unparalleled accuracy and control over your reef aquarium's water...
HI782-25 Nitrate High Range Reagents (25 tests) - Hanna Instruments
Hanna Instruments
$26.99
HI782-25 (25 tests)
The HI782-25 are the replacement reagents for the HI782 Nitrate High Range Checker. These high quality reagents are manufactured in our state-of-the-art facility and are clearly...
On Sale
15%
On Sale
15%
AI Prime 16HD Reef Aquarium LED, Black - AquaIllumination
AquaIllumination
$279.99
$237.00
The AI Prime 16HD is a customizable LED light for saltwater aquariums. It's a full spectrum light that includes a moonlight channel.&nb