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Reef BluePrint Isol8:Rb - Rebidium Solution (60 mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$38.75Characteristics -
Chaeto Gro Chaetomorpha - (250 ml) - Brightwell
Brightwell Aquatics$13.13Description Complete multi-nutrient with iron, cobalt and molybdenum for chaetomorpha algae growth. For all Marine and ULNS systems; Phosphate and nitrate free. -
Reef BluePrint Isol8:Mg - Magnesium (355 mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$15.80Parameter -
Reef BluePrint Isol8:Sr - Strontium (355 mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$22.43Parameter -
Regal 250 SSS Space Saving Skimmer (300-600 Gallons) - Reef Octopus
Reef Octopus$1,097.24The new and innovative Reef Octopus Regal 250-SSS in-sump protein skimmer supplies powerful filtration for aquariums up to 600 gallons where sump space may be limited. The Reef Octopus Regal 250-SSS... -
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... -
White Max Nano XL G2 - 33 Gallon Aquarium (White Stand) - Red Sea
Red Sea$1,449.00The deepest & widest Plug & Play NANO system The MAX NANO G2 XL comes fully equipped with everything needed to sustain a reef aquarium, sparing you from dealing with component selection or... -
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... -
Elite 200 SSS Space Saver Super Cone Skimmer - Reef Octopus
Reef Octopus$1,305.14The new and innovative Reef Octopus Elite 200-SSS in-sump protein skimmer supplies powerful filtration for aquariums up to 400 gallons where sumps space may be limited. The Reef Octopus Elite... -
On Sale 10%
On Sale 10%(Germany) Syn-Biotic Sea Salt (200 Gallon) - Tropic Marin
Tropic Marin$139.99$125.99Tropic Marin® Syn-Biotic Sea Salt contains probiotic bacteria for fish and shrimp and special prebiotic bacteria food to promote probiotic bacterial growth and to create low-nutrient conditions in... -
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Reef BluePrint Isol8:Mg - Magnesium (1006 mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$26.00Parameter -
Black Max Nano XL G2 - 33 Gallon Aquarium (Black Stand) - Red Sea
Red Sea$1,449.00The deepest & widest Plug & Play NANO system The MAX NANO G2 XL comes fully equipped with everything needed to sustain a reef aquarium, sparing you from dealing with component selection or... -
On Sale 15%
On Sale 15%AQUA FILTRA 40 Hang on Back Aquarium Filter - Sicce
Sicce$64.99$55.24Sicce AQUA FILTRA 40 Hang-On-Back Filter Silent, Powerful, and Crystal-Clear Filtration — Engineered in Italy! Experience the next level of aquarium filtration with the Sicce AQUA FILTRA 40. This... -
MC811US MAX pH/EC/Temp Monitor - Milwaukee
Milwaukee Instruments$308.20Why Guard when you can Monitor! The Milwaukee MC811 MAX pH/EC/Temp Monitor lets you monitor your pH/EC/Temp levels 24/7 automatically. RANGE: 0.0 - 12.0 pH | 0.00 to 5.00 mS/cm | 14.0& -
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Reef BluePrint Isol8:K - Potassium (1006 mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$24.47Parameter -
Reef BluePrint Isol8:K - Potassium (355 mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$14.27Parameter -
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Regal 250EXT Recirculating Protein Skimmer (Up To 600 Gallons) - Reef Octopus
Reef Octopus$1,270.49External Recirculating Skimmer for Aquariums up to 600 Gallons Footprint: 18.1" x 15.3" | Reaction Chamber: 10" | Height: 26.4"Controllable Pump: Reef Octopus 36V VarioS-6S 250-EXT Advanced Control... -
Regal 250 INT Protein Skimmer (300-600 Gallons) - Reef Octopus
Reef Octopus$993.29The new and innovative Reef Octopus Regal 250-INT in-sump protein skimmer supplies powerful filtration for aquariums up to 600 gallons where sump space is not limited. The Reef Octopus Regal 250-INT... -
Regal 200 SSS Space Saving Skimmer (200-400 Gallons) - Reef Octopus
Reef Octopus$947.09The new and innovative Reef Octopus Regal 200-SSS in-sump protein skimmer supplies powerful filtration for aquariums up to 400 gallons where sump space may be limited. The Reef Octopus Regal 200-SSS... -
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Reef BluePrint Isol8:B - Boron (1006 mL, 34 oz) - Captiv8 Aquaculture
Captiv8 Aquaculture$26.51Parameter -
Regal 300 SSS Space Saving Skimmer (400-700 Gallons) - Reef Octopus
Reef Octopus$1,201.19The new and innovative Reef Octopus Regal 300-SSS in-sump protein skimmer supplies powerful filtration for aquariums up to 600 gallons where sump space may be limited. The Reef Octopus Regal 300-SSS... -
Regal 300 SSS Space Saving Skimmer (500-700 Gallons) - Reef Octopus
Reef Octopus$1,143.99Compact In-Sump Skimmer for Aquariums up to 700 Gallons Footprint: 15.2" x 13" | Reaction Chamber: 12" | Height: 25.6"Controllable Pump: Reef Octopus 36V VarioS-6S 300-SSS Space Saving Protein... -
Regal 300EXT Recirculating Protein Skimmer (Up To 700 Gallons) - Reef Octopus
Reef Octopus$1,536.14External Recirculating Skimmer Rated for Aquariums up to 700 Gallons Footprint: 20" x 17.5" | Reaction Chamber: 12" | Height: 28.4"Controllable Pump: Reef Octopus 36V VarioS 300-EXT Advanced... -
Garlic Power (30mL) - Brightwell
Brightwell Aquatics$21.10Garlic Concentrate for all Marine Fish & Reef Aquaria Overview Delivers the nutritional benefits of raw garlic to fishes primarily by being applied to their food. Consists solely of preserved... -
Garlic Power (60mL) - Brightwell
Brightwell Aquatics$32.79Garlic Concentrate for all Marine Fish & Reef Aquaria Overview Delivers the nutritional benefits of raw garlic to fishes primarily by being applied to their food. Consists solely of preserved... -
Auto Roller Filter (Large) SK-5000 GEN3 Automatic - ClariSea
ClariSea$445.00Introduction ClariSea SK-5000 Gen 3 The ClariSea Gen 3 fleece filters are the latest generation in our market leading, patented, roll filter system. Building on ex -
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Auto Roller Filter (Medium) SK-3000 GEN3 Automatic - ClariSea
ClariSea$399.00Introduction ClariSea SK-3000 Gen 3 The ClariSea Gen 3 fleece filters are the latest generation in our market leading, patented, roll filter system. Building on ex -
On Sale 15%
On Sale 15%PNS HomeGro (2.5 gal) - Hydrospace
Hydrospace$145.99$124.09Provide superior nutrition, while controlling nutrients and organic wastes, with purple nonsulfur bacteria. -
Probiotix - Regular Sinking Pellet (1mm - 1.5mm) 300g - New Life Spectrum
New Life Spectrum$32.99New Life Spectrum® doesn’t do marketing gimmicks. If we release it, it has to work. We’ve created a real probiotic food with a biologically effective concentration of probiotic bacteria(at least 3... -
pH+ Liquid pH Increaser (250 mL) - Brightwell
Brightwell Aquatics$8.64Increases pH in all Marine and Freshwater Aquaria Overview Increases pH in marine and reef aquaria. May be used to help increase pH in aquaria that have adequate alkalinity yet... -
Probiotix - Medium Sinking Pellet (2mm - 2.5mm) 300g - New Life Spectrum
New Life Spectrum$32.99New Life Spectrum® doesn’t do marketing gimmicks. If we release it, it has to work. We’ve created a real probiotic food with a biologically effective concentration of probiotic bacteria(at least 3... -
Reef BluePrint Isol8:I - Iodine (355 mL, 12 oz) - Captiv8 Aquaculture
Captiv8 Aquaculture$57.09Parameter -
Apex FMK Flow Monitoring Kit - Neptune Systems
Neptune Systems$259.99The Fluid Monitoring Kit Includes: 1x - FMM Fluid Monitoring Module 1x - 1" Flow Sensor (FS-100) 2x - 1/2" Flow Sensor (FS-50) 2x - 1" Unions 4x - 1/2" Adapters FMK What's In The Box? The... -
pH+ Liquid pH Increaser (500 mL) - Brightwell
Brightwell Aquatics$14.75Increases pH in all Marine and Freshwater Aquaria Overview Increases pH in marine and reef aquaria. May be used to help increase pH in aquaria that have adequate alkalinity yet...
Featured Products
AR836 Algae Reactor 2026 (Commercial) - Geo's Reef
Geo's Reef
$1,849.00
The NEW 2026 GEO AR836 Algae Reactor Commercial is designed to filter your aquarium water by removing phosphates, nitrates, Co2 and help raise your aquarium pH without the use of artificial media...
On Sale
15%
On Sale
15%
Red Acan Colony WYSIWYG - SAQ Coral Farm
Saltwater Coral Farm
$129.99
$110.49
Red Acan 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 Acan Colony WYSIWYG is a fast...
7" NOSOK Filter Sock No Sock Replacement Silencer Cup - VCA
VCA Vivid Creative
$74.95
Stop Washing Dirty Filter Socks Forever
Nobody likes dealing with a laundry bucket full of dirty, foul-smelling 7-inch filter socks. Traditional filter cups choke flow quickly, and automated fleece...
Free ICP Test Kit - ATI
ATI
$19.99
FREE ON ALL ORDERS OVER $150 - Just add to Cart!
ATI Free Seawater ICP
Free ICP test for your seawater!
With the ATI ICP test service you can send ATI a seawater sample. ATI will test your...
Carbo Ex Filter (1.5 Liter) - Includes 1000g Granulate - ATI
ATI
$44.95
ATI® Carbo Ex Filter 1.5L
The ATI® Carbo Ex Filter 1.5Lis a ready-to-use, single-use filter cartridge containing 1,000 grams (approx. 1.25 liters) of ATI Carbo Ex Media and a fine dust filter.ATI®...
ION-B Ca/Mg+ Powder (2.245g - Makes 6,000 mL) - NYOS
NYOS
$44.99
The Nyos® ION-B method is a state-of-the-art dosing system for modern reef tanks. The system is simple and intuitive and can be individually adapted to the needs of your aquarium.
With just two...
ION-B Ca/Mg+ Powder (1,122g - Makes 3,000 mL) - NYOS
NYOS
$24.99
The Nyos® ION-B method is a state-of-the-art dosing system for modern reef tanks. The system is simple and intuitive and can be individually adapted to the needs of your aquarium.
With just two...
ION-B ALK/pH+ Powder (1,342g - Makes 6,000 mL) - NYOS
NYOS
$44.99
The Nyos® ION-B method is a state-of-the-art dosing system for modern reef tanks. The system is simple and intuitive and can be individually adapted to the needs of your aquarium.
With just two...
ION-B ALK/pH+ Powder (671g - Makes 3,000 mL) - NYOS
NYOS
$24.99
The Nyos® ION-B method is a state-of-the-art dosing system for modern reef tanks. The system is simple and intuitive and can be individually adapted to the needs of your aquarium.
With just two...
On Sale
10%
On Sale
10%
BioSpace Reactor 8-2 (8" x 21") Up to 500 Gallons - Bashsea
Bashsea
$599.99
$539.99
Elevate your aquarium’s ecosystem with the Bashsea BioSpace Reactor, the most effective biological filter currently available on the market. Engineered for the serious hobbyist, this reactor utilizes...
On Sale
10%
On Sale
10%
BioSpace Reactor 6-2 (6" x 21") Up to 225 Gallons - Bashsea
Bashsea
$399.99
$359.99
Elevate your aquarium’s ecosystem with the Bashsea BioSpace Reactor, the most effective biological filter currently available on the market. Engineered for the serious hobbyist, this reactor utilizes...
On Sale
10%
On Sale
10%
BioSpace Reactor 4-2 (4" x 21") Up to 110 Gallons - Bashsea
Bashsea
$219.99
$197.99
Elevate your aquarium’s ecosystem with the Bashsea BioSpace Reactor, the most effective biological filter currently available on the market. Engineered for the serious hobbyist, this reactor utilizes...
4" NOSOK Filter Sock No Sock Replacement Silencer Cup - VCA
VCA Vivid Creative
$44.95
Silence Your Sump and Simplify Your Maintenance Routine
Tired of the constant splashing and "gurgling" sounds coming from your filter socks? The VCA No-Sock 4-Inch Silencer is the ultimate solution...
Small-In-One Nomad Portable Traveling Aquarium (0.5 Gallon) - PNW Custom
PNW Custom
$349.99
0.5 Gallon Fully Sealed Traveling Aquarium
The world’s first fully sealed traveling aquarium.
The Small-In-One Nomad is a compact 0.5-gallon aquarium designed for safely transporting and displaying...
ReefControl Power 8 Deluxe w/Panel - Red Sea
Red Sea
$389.00
Get the best of both worlds with the ReefControl Power 8 Deluxe. This kit combines the 8-socket ReefBeat-controlled smart power center with the dedicated manual Control Panel 8, giving you the...
ReefControl Power 8 - Red Sea
Red Sea
$319.00
Welcome to the future of aquarium management. The ReefControl Power 8 is more than just a power strip; it's the brain of your operation, integrating seamlessly into the Red Sea ReefBeat ecosystem to...
ReefControl Pro Deluxe Kit Aquarium Controller - Red Sea
Red Sea
$699.00
The ReefControl Pro is the flagship smart controller for the Red Sea ReefBeat ecosystem. It acts as the central brain for all your monitoring and automation, allowing you to connect up to 7 ReefSense...
ReefControl Pro Aquarium Controller - Red Sea
Red Sea
$429.00
Take full command of your aquarium with the ReefControl Pro, the ultimate smart controller for the Red Sea ReefBeat ecosystem. Monitor up to 7 different ReefSense digital probes, automate your...
ReefControl Lite Aquarium Controller - Red Sea
Red Sea
$329.00
The ReefControl Lite is your essential smart controller for staying on top of your aquarium's most critical parameters. Monitor a wide range of ReefSense digital probes, receive real-time...
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...