Products (756)
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Magnesion-P - Powder Magnesium Supplement (400g) - Brightwell
Brightwell Aquatics$24.66Magnesium Supplement for All Marine Fish & Reef Aquaria Overview High-purity, anhydrous powdered magnesium blend. Provides magnesium, which helps regulate the balance between calcium and... -
Magnesion-P - Powder Magnesium Supplement (200g) - Brightwell
Brightwell Aquatics$15.86Magnesium Supplement for All Marine Fish & Reef Aquaria Overview High-purity, anhydrous powdered magnesium blend. Provides magnesium, which helps regulate the balance between calcium and... -
Magnesion-P - Powder Magnesium Supplement (800g) - Brightwell
Brightwell Aquatics$32.40Magnesium Supplement for All Marine Fish & Reef Aquaria Overview High-purity, anhydrous powdered magnesium blend. Provides magnesium, which helps regulate the balance between calcium and... -
On Sale 20%
On Sale 20%EXT 50 Lagoon Aquarium w/ APS Stand – White - Innovative Marine
Innovative Marine$2,128.00$1,702.40EXT Aquarium - A New NUVO Line overflowing with space Built from the footprint of the Award-Winning Fusion Aquariums, the NUVO EXT is an Innovative Marine first. Its first to incorporate an... -
Magnesion-P - Powder Magnesium Supplement (16kg) - Brightwell
Brightwell Aquatics$332.43Magnesium Supplement for All Marine Fish & Reef Aquaria Overview High-purity, anhydrous powdered magnesium blend. Provides magnesium, which helps regulate the balance between calcium and... -
Reef BluePrint Isol8:Cu - Copper (355 mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$39.75SpecificationsCopper 60,560 mg/L ApplicationKeep out of reach of children and unauthorized persons. Avoid contact with skin, eyes, and mucous membranes. Store in a cool, dry location -
On Sale 20%
On Sale 20%EXT 75 Lagoon Aquarium w/ APS Stand – White - Innovative Marine
Innovative Marine$2,624.00$2,099.20EXT Aquarium - A New NUVO Line overflowing with space Built from the footprint of the Award-Winning Fusion Aquariums, the NUVO EXT is an Innovative Marine first. Its first to incorporate an... -
On Sale 20%
On Sale 20%EXT 50 Lagoon Aquarium w/ APS Stand – Black - Innovative Marine
Innovative Marine$2,128.00$1,702.40EXT Aquarium - A New NUVO Line overflowing with space Built from the footprint of the Award-Winning Fusion Aquariums, the NUVO EXT is an Innovative Marine first. Its first to incorporate an... -
DINO M (250 ml) Removes Dinoflagellates - Fauna Marin
Fauna Marin$34.64Fauna Marin Dino X: The Ultimate Solution for Dinoflagellates and Nuisance Algae Reclaim the beauty of your reef tank with -
On Sale 20%
On Sale 20%INT 100 Lagoon Aquarium w/ APS Stand – Black - Innovative Marine
Innovative Marine$3,376.00$2,700.80NUVO INT Complete Reef System INT Aquarium - A New NUVO Line overflowing with space NUVO Aquariums have a long history of transforming the way you reef, and our next generation of Full-Size... -
On Sale 15%
On Sale 15%Sexy Shrimp (Thor amboinensis) - Chicago Cleanup Crew
Clean Up Crews$24.99$21.24The Dancing Jewel of Nano Reefs (VERY SMALL) Add a splash of personality and vibrant motion to your aquarium with the one-and-only Sexy Shrimp. Famous for its unique behavior, this tiny shrimp holds... -
On Sale 17%
On Sale 17%(OPEN BOX) Large Bucket of Professional Sea Salt (25kg) 200 Gallons - Fauna Marin
Fauna Marin$119.99$99.99 -
On Sale 20%
On Sale 20%INT 100 Lagoon Aquarium w/ APS Stand – White - Innovative Marine
Innovative Marine$3,376.00$2,700.80NUVO INT Complete Reef System INT Aquarium - A New NUVO Line overflowing with space NUVO Aquariums have a long history of transforming the way you reef, and our next generation of Full-Size... -
Kalkwasser Mixing 8" Reactor KM-200 Large - IceCap
Icecap$409.99The IceCap Kalk Mixer is a dedicated reactor for dosing kalkwasser in a safe and controlled matter to supply equal additions of Calcium and Alkalinity to a Reef Aquarium. Kalkwasser dosing is... -
MicroBacter START XLM 15x (500 ML - 16 oz) - Brightwell
Brightwell Aquatics$51.52Professional 15x strength live tank starter nitrifying bioculture for rapidly cycling new marine fish and reef aquaria and brackish aquariums, and for recovering from overcrowding or disasters... -
Reef Code A Balanced Calcium & Alkalinity System Part A-P (1 kg) - Brightwell Aquatics
Brightwell Aquatics$28.14Ionically Balanced Powered Calcium & Alkalinity for all marine fish & reef aquaria Overview The calcium-bearing component of a two-part method for dosing calcium and carbonates(the substances... -
On Sale 50%
On Sale 50%(EXPIRED 4/26) MicroBacter START XLM 15x (500 ML - 16 oz) - Brightwell
Brightwell Aquatics$51.52$25.99EXPIRED Professional 15x strength live tank starter nitrifying bioculture for rapidly cycling new marine fish and reef aquaria and brackish aquariums, and for recovering from overcrowding or... -
MicroBacter START XLM 15x (250 ML - 8 oz) - Brightwell
Brightwell Aquatics$28.24Professional 15x strength live tank starter nitrifying bioculture for rapidly cycling new marine fish and reef aquaria and brackish aquariums, and for recovering from overcrowding or disasters... -
On Sale 50%
On Sale 50%SR Pro 2 | 120 AIO Aquarium w/ APS Stand - Black (Made To Order) - Innovative Marine
Innovative Marine$5,598.00$2,799.00Orders take 4-6 months from time of order to being shipped to you. Unexpected delays may incur longer wait periods. No cancellations, modifications or refunds for "Made to Order" purchases. All in... -
On Sale 50%
On Sale 50%SR Pro 2 | 120 AIO Aquarium w/ APS Stand - White (Made To Order) - Innovative Marine
Innovative Marine$5,598.00$2,799.00Orders take 4-6 months from time of order to being shipped to you. Unexpected delays may incur longer wait periods. No cancellations, modifications or refunds for "Made to Order" purchases. All in... -
Reef BluePrint Isol8:Ca - Calcium Solution (1006 mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$22.45Parameter -
On Sale 15%
On Sale 15%Serpent Starfish (Ophioderma spp.) - Cleanup Crew
Clean Up Crews$29.99$25.49Serpent Starfish (Ophioderma spp.) - Colors Vary. Most are brown/black in color. The Ultimate Reef Scavenger and Master of Stealth Introduce a touch of serpentine grace to your aquarium with the... -
On Sale 15%
On Sale 15%Emerald Crab (Mithraculus sculptus) - Cleanup Crew
Clean Up Crews$14.99$12.74Tired of battling persistent bubble algae and unsightly hair algae? The Emerald Crab (Mithraculus sculptus) is your diligent, all-natural solution. Hailing from the vibrant reefs of the Caribbean,... -
On Sale 15%
On Sale 15%Flame Scallop - Cleanup Crew
Clean Up Crews$29.99$25.49The Electric Jewel of the Reef A living jewel of the ocean, the Flame Scallop is one of the most visually stunning and unique invertebrates available in the marine aquarium hobby. With its brilliant... -
A3 Apex System w/Insight Pro Display (A3APEXSYS) - Neptune Systems
Neptune Systems$814.95Includes Insight Pro Display 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... -
Reef BluePrint Isol8:Sr - Strontium (60 mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$12.23Parameter -
Reef BluePrint Isol8:Sr - Strontium (355 mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$22.43Parameter -
Reef BluePrint Isol8:Mg - Magnesium (355 mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$15.80Parameter -
Reef BluePrint Isol8:Ca - Calcium Solution (355 mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$13.25Parameter -
Reef BluePrint Isol8:Mg - Magnesium (1006 mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$26.00Parameter -
On Sale 7%
On Sale 7%A3 Apex System (A3APEXSYS) - Neptune Systems
Neptune Systems$659.99$615.00Key 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... -
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Reef BluePrint Integr8 Planktivore (25g) - Captiv8 Aquaculture
Captiv8 Aquaculture$14.27Specifications -
Reef BluePrint Isol8:K - Potassium (355 mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$14.27Parameter -
Reef BluePrint Isol8:B - Boron (1006 mL, 34 oz) - Captiv8 Aquaculture
Captiv8 Aquaculture$26.51Parameter -
Reef BluePrint Integr8 Planktivore (50g) - Captiv8 Aquaculture
Captiv8 Aquaculture$20.39Specifications -
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On Sale 20%
On Sale 20%(SMALL) Mini Real Reef Turbinaria Cup MIDNIGHT BLACK Plate Coral Rock (1 piece) - Real Reef
Real Reef$29.99$23.99(SMALL) Mini Real Reef Turbinaria Cup Plate Coral Rock (1 Piece) – Midnight Black Edition Brand: Real Reef Rock | Piece Type: Single Mini/Small Turbinaria Cup Rock | -
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44 lbs LITTLE ReBorn Calcium Reactor Media Box - Two Little Fishies
Two Little Fishies$189.99Two Little Fishies Little ReBorn® Calcium Reactor Media – 44 lb (20 kg) Bulk Box High-Purity, Fine-to-Medium Aragonite Media for Primary Reactors, Secondary Chambers & Heavy-Demand Reefs Product...
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