Products (3246)
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On Sale 20%
On Sale 20%Salifert Master Saltwater Reef Testing Combo Kit - Salifert
Salifert$99.99$79.99The Salifert Master Reef Testing Combo Kit is the ultimate all-in-one solution for serious reef hobbyist -
Straton X Ultra Slim Reef LED - ATI
ATI$999.00ATI Straton X – Ultra-Slim. Ultra-Silent. Ultra-Efficient. Oh My. Experience the pinnacle of reef lighting with the ATI Straton X. Reimagined from the ground up, the Straton X combines minimalist... -
Orbit Marine R24 PRO (95 Watt) Bluetooth Aquarium Light w/Mount (4440) - Current USA
Current USA$329.9595 Watts = HIGH PAR - 250+ PAR at 24" Bring your reef to a whole new level with the R24 PRO LED. Delivering a light intensity and color spectrum specifically for corals, it provides optimal growth,... -
On Sale 15%
On Sale 15%Micro Reef Ready Tank (0.3 Gallon) Standard (WHITE) - PNW Customs
PNW Custom$169.99$144.49Includes NEW Round Puck LED The Micro Reef-Ready Tank is designed for those who are looking to push the boundaries on their reef-keeping abilities. Perfect for any desktop, countertop, cabinet... -
Formul8 Reef 40-Gallon Engineered Sea Salt Mix - Reef Blueprint
Captiv8 Aquaculture$35.69Complete artificial seawater salt blend with an ionic composition formulated for coral growers. Concentrations of Mg, Ca, K, and Sr are linearly increased, while Na is decreased to maintain... -
PRO Series Blue Anion Deionization Resin - Color Changing - Part 2 (1.5 gallons / 8.1 lbs) - Bulk Reef Supply
Bulk Reef Supply$77.99Changes from Blue to Amber when exhausted Anion Single Bed Color Changing DI Resin is great for people that want to be more efficient with their deionization resin usage. Single bed resins do... -
Benepellet Reef Small 1.7 mm Pellet Coral Food (1.3 oz) - Benepets
Benepets$19.99Small pellet size (1.7mm) - Sinking pellets - Based on the Benereef formula, now in a pellet form for convenient feeding and automatic feeder use. Benepellet Reef is scientifically engineered to... -
(Germany) Pro Reef Salt Bucket (200 Gallon) - Tropic Marin
Tropic Marin$132.99Tropic Marin Pro-Reef Sea Salt – 200 Gallon Bucket (Germany) At a Glance The Gold Standard for Modern Reef Keeping. Tropic Marin Pro-Reef is the premium, pharmaceutical-grade salt mix engineered... -
Bulk Deionization Resin - Color Changing (1.5 gallons - 7.5 lbs) - Bulk Reef Supply
Bulk Reef Supply$69.99We recommend color changing resin for the fact that it will physically change colors as it gets exhausted. That allows you to monitor the consumption of the DI resin and know when to change it out. ... -
On Sale 15%
On Sale 15%25 Gallon Standard Reef Cleanup Crew
Clean Up Crews$79.99$67.99Our Reef Cleaner Packages are Wild Collected they let you naturally control algae, maintain crystal clear water, and keep your sand bed sifted. The number of cleaners provided in these packages are... -
On Sale 20%
On Sale 20%Rhodactis Mushroom Colony WYSIWYG - SAQ Coral Farm
Saltwater Coral Farm$159.99$127.99Rhodactis Mushroom 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. Rhodactis Mushroom Colony... -
On Sale 13%
On Sale 13%(OPEN BOX) Reef 4.0 (46.25" - 61″) LED Fixture (59W) - Fluval
Fluval$268.99$234.99UNUSED CUSTOMER RETURN Fluval Reef 4.0 LED (22W) The Fluval Reef 4.0 LED is a 22-watt, full-spectrum lighting system for saltwater aquariums, expertly engineered in Germany. It is specifically... -
FritzPRO R.P.M. Salt Mix Box (55 lbs - Makes 200 Gallons) - Fritz Aquatics
Fritz Aquatics$84.99Fritz ProAquatics Reef Pro Mix (RPM) is manufactured using only the highest quality raw materials. Formulated by researchers and marine scientists, RPM contains all of the necessary major and minor... -
Reef Code A Balanced Calcium & Alkalinity System Part A (2 L) - Brightwell Aquatics
Brightwell Aquatics$23.76Balanced Calcium & Alkalinity System for All Marine Fish & Reef Aquaria Overview The calcium-bearing component of a two-part method for dosing calcium andcarbonates (the substances largely... -
REEF SHOT - Magnesium (24 Shots, 16 oz) - ASF
ASF$23.50Magnesium is the third most important element in the composition of seawater. It is essential to numerous biological processes such as photosynthesis and cell division. It is also used in the... -
Reef Code A Balanced Calcium & Alkalinity System Part A (500mL) - Brightwell Aquatics
Brightwell Aquatics$12.86Balanced Calcium & Alkalinity System for All Marine Fish & Reef Aquaria Overview The calcium-bearing component of a two-part method for dosing calcium andcarbonates (the substances largely... -
PRO Series Mixed Bed DI Resin Purple Cation - Color Changing - Part 3 (1.25 lbs) - Bulk Reef Supply
Bulk Reef Supply$19.99Changes from Purple to Amber when exhausted Cation Mixed Bed Color Changing Resin can be used with any type of RO/DI system that utilizes refillable cartridges, and is great at removing calcium,... -
Reef ICP Test Total (90 Water Parameters) - Fauna Marin
Fauna Marin$57.74The Fauna Marin Reef ICP Total Test gives a quick, accurate, and easy overview of over 90 water values in reef aquariums. From macro elements to trace elements and pollutants, you get a complete... -
On Sale 15%
On Sale 15%Micro Reef Ready Tank (0.3 Gallon) Standard (BLACK) - PNW Customs
PNW Custom$169.99$144.49Includes NEW Round Puck LED The Micro Reef-Ready Tank is designed for those who are looking to push the boundaries on their reef-keeping abilities. Perfect for any desktop, countertop, cabinet... -
REEF-FRAME MAX 170 - 46 Gallon Oak Euro-Braced Aquarium - Red Sea
Red Sea$3,899.00The Red Sea REEF-FRAME MAX series takes the ultra-durable, eurobraced foundation of the standard REEF-FRAME line and elevates it into a fully integrated, Plug & Play smart reef system. Instead of... -
Reef Code B Balanced Calcium & Alkalinity System Part B (250mL) - Brightwell Aquatics
Brightwell Aquatics$8.64Balanced Calcium & Alkalinity System for All Marine Fish & Reef Aquaria Overview The carbonate-bearing component of a two-part method for dosing calcium andcarbonates (the substances largely... -
Reef Salt Mix 200 Gallon Box - Aquaforest
Aquaforest$89.99Designed specifically for the demands of aquacultured marine environments, Aquaforest Reef Salt Mix delivers a fully synthetic, laboratory-guaranteed formula tailored for optimal coral development... -
On Sale 10%
On Sale 10%Frozen Reef Plankton Fish Food (30 cubes, 3.5 oz) - San Francisco Bay Brand
San Francisco Bay Brand$10.99$9.89Scientific name: Calanus finmarchicus Excellent for Reef Tanks Reef Plankton feeds fish, corals, and invertebrates simultaneously in your reef aquarium. They stimulate appetite and are eagerly... -
On Sale 15%
On Sale 15%100 Gallon Standard Reef Cleanup Crew
Clean Up Crews$175.99$149.59Our Reef Cleaner Packages are Wild Collected they let you naturally control algae, maintain crystal clear water, and keep your sand bed sifted. The number of cleaners provided in these packages are... -
Bacto Reef Therapy (250 ml) Bacteria - Fauna Marin
Fauna Marin$30.02Fauna Marin Bacto Reef Therapy is especially developed mix for all kind of marine aquaria. The perfect Mix of halophilic and probiotic bacteria cultures, removes waste products derived from fish... -
TargetFlow The Ultimate 4-in-1 Precision Reef Tool - FishScooper
FishScooper$19.99TargetFlow by Reef Engineer: The Ultimate 4-in-1 Precision Reef Tool Take full control of your aquatic ecosystem with the TargetFlow, the versatile precision tool designed built specifically for... -
Prime Reef Marine Flake Food (5.5 oz) - Ocean Nutrition
Ocean Nutrition$24.46Prime Reef™ Flakes are a gourmet food, rich in seafood and zooplankton, for all reef aquariums. They contain a high inclusion of fresh seafood ingredients that mimic the nutritional value of a... -
On Sale 11%
On Sale 11%(DAMAGED BOX) (Germany) Pro Reef Salt - 160 Gallon (Box) - Tropic Marin
Tropic Marin$95.82$84.99DAMAGED BOX - SALT UNTOUCHEDThe pharmaceutical grade sea salt especially for modern reef aquaria. Tropic Marin® PRO-REEF Sea Salt has been designed to meet the special requirements of reef aquariums... -
On Sale 15%
On Sale 15%300 Gallon Standard Reef Cleanup Crew
Clean Up Crews$329.99$280.49Our Reef Cleaner Packages are Wild Collected they let you naturally control algae, maintain crystal clear water, and keep your sand bed sifted. The number of cleaners provided in these packages are... -
On Sale 15%
On Sale 15%200 Gallon Standard Reef Cleanup Crew
Clean Up Crews$289.99$246.49Our Reef Cleaner Packages are Wild Collected they let you naturally control algae, maintain crystal clear water, and keep your sand bed sifted. The number of cleaners provided in these packages are... -
Reef Code A Balanced Calcium & Alkalinity System Part A (250mL) - Brightwell Aquatics
Brightwell Aquatics$8.64Balanced Calcium & Alkalinity System for All Marine Fish & Reef Aquaria Overview The calcium-bearing component of a two-part method for dosing calcium andcarbonates (the substances largely... -
Reef Code A Balanced Calcium & Alkalinity System Part A (4 L) - Brightwell Aquatics
Brightwell Aquatics$37.93Balanced Calcium & Alkalinity System for All Marine Fish & Reef Aquaria Overview The calcium-bearing component of a two-part method for dosing calcium andcarbonates (the substances largely... -
Reef Code B Balanced Calcium & Alkalinity System Part B (500mL) - Brightwell Aquatics
Brightwell Aquatics$12.86Balanced Calcium & Alkalinity System for All Marine Fish & Reef Aquaria Overview The carbonate-bearing component of a two-part method for dosing calcium andcarbonates (the substances largely... -
Reef Foundation A - Calcium (CA) - (5 Liter / 1.32 Gal) - Red Sea
Red Sea$119.00Calcium+ Supplement Calcium and Strontium complex for balanced formation of the coral skeleton -
Reef Evolution Sea Salt Bucket (200 Gallon Mix - 4 Bag) - ASF
ASF$125.99Reef Evolution Salt has been formulated to fulfill the needs of reef tanks, with average fish population, with a regular supply of trace elements, calcium, magnesium and alkalinity. It contains... -
Prime Reef Marine Flake Food (2.5 oz) - Ocean Nutrition
Ocean Nutrition$12.58Prime Reef™ Flakes are a gourmet food, rich in seafood and zooplankton, for all reef aquariums. They contain a high inclusion of fresh seafood ingredients that mimic the nutritional value of a... -
On Sale 15%
On Sale 15%50 Gallon Standard Reef Cleanup Crew
Clean Up Crews$119.99$101.99Our Reef Cleaner Packages are Wild Collected they let you naturally control algae, maintain crystal clear water, and keep your sand bed sifted. The number of cleaners provided in these packages are... -
PRO Series Mixed Bed DI Resin Purple Cation - Color Changing - Part 3 (1.5 gallons / 7.5 lbs) - Bulk Reef Supply
Bulk Reef Supply$76.99Changes from Purple to Amber when exhausted Cation Mixed Bed Color Changing Resin can be used with any type of RO/DI system that utilizes refillable cartridges, and is great at removing calcium,... -
On Sale 20%
On Sale 20%Rhodactis Mushroom Colony WYSIWYG - SAQ Coral Farm
Saltwater Coral Farm$159.99$127.99Rhodactis Mushroom 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. Rhodactis Mushroom Colony... -
Reef Foundation A - Calcium (CA) (1000 ml) Liquid - Red Sea
Red Sea$30.99Calcium+ Supplement Calcium and Strontium complex for balanced formation of the coral skeleton
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