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On Sale 15%
On Sale 15%AQUA FILTRA 10 Hang on Back Aquarium Filter - Sicce
Sicce$44.99$38.24Sicce AQUA FILTRA 10 Hang-On-Back Filter Professional Grade Filtration for Your Nano Aquarium Discover the perfect fusion of compact design and powerful performance with the Sicce AQUA FILTRA 10... -
On Sale 15%
On Sale 15%AQUA FILTRA 20 Hang on Back Aquarium Filter - Sicce
Sicce$54.99$46.74Sicce AQUA FILTRA 20 Hang-On-Back Filter Compact Power and Whisper-Quiet Filtration for Small Aquariums Bring the world-renowned quality of Italian engineering to your smaller aquarium with the... -
AQUA FILTRA 10-20 Replacement Sponges only (4 Pack) - Sicce
Sicce$4.49Genuine Sicce AQUA FILTRA 10-20 Replacement Sponges (4-Pack) Keep Your Compact Aquarium Filter Running at Peak Performance Maintain the essential filtration in your compact aquarium with the... -
AQUA FILTRA 10-20 Replacement Media Kit (2 Pack) - Sicce
Sicce$4.99Genuine Sicce AQUA FILTRA 10-20 Replacement Media Kit (2-Pack) The All-in-One Solution for Your Compact Aquarium's Filtration Needs Restore your filter to peak performance and ensure a pristine... -
AQUA FILTRA 40 Replacement Sponges only (4 Pack) - Sicce
Sicce$9.99Genuine Sicce AQUA FILTRA 40 Replacement Sponges (4-Pack) Maintain Peak Performance and Crystal-Clear Water in Your Aquarium Ensure your Sicce AQUA FILTRA 40 hang-on-back filter operates at its... -
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,... -
On Sale 10%
On Sale 10%(Germany) Pro Reef Salt Bucket (200 Gallon) - Tropic Marin
Tropic Marin$132.99$119.69Tropic 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... -
AQUA FILTRA 40 Replacement Media Kit (2 Pack) - Sicce
Sicce$10.99Genuine Sicce AQUA FILTRA 40 Complete Replacement Media Kit (2-Pack) Restore Your Filter to Factory-New Performance for a Flawless Aquarium Bring back the full power of your filtration system with... -
Bacto Reef Balls (100 ml) - Live Reef Bacteria - Fauna Marin
Fauna Marin$25.40Millions 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,... -
On Sale 30%
On Sale 30%4K Gyre Flow Pump With WaveEngine LE Controller - Icecap
Icecap$381.14$266.80The IceCap 4K Gyre Flow Pump is not only more powerful than its predecessor, it now comes with the powerful HYDROS WaveEngine Light WiFi controllable controller, allowing you to fine-tune your flow... -
On Sale 9%
On Sale 9%(OPEN BOX) Orbit Marine LED Fixture 24"- 36" (Gen 1) w/LOOP Control (4101) - Current USA
Current USA$139.95$126.99UNUSED CUSTOMER RETURN This is the Original Gen 1 Orbit Marine LED Now with LOOP Control. Perfect for Fish Only Aquariums and Soft Corals. Right from the start, there’s a lot to love about the... -
On Sale 10%
On Sale 10%Pro Reef Salt 2 kg (16 Gallon) - Tropic Marin
Tropic Marin$18.99$17.09Tropic Marin Pro-Reef Sea Salt At a Glance The Gold Standard for Modern Reef Keeping. Tropic Marin Pro-Reef is the premium, pharmaceutical-grade salt mix engineered specifically for reef aquariums... -
On Sale 15%
On Sale 15%Orbit Marine LED Fixture 48"- 60" (Gen 1) w/LOOP Control (4103) - Current USA
Current USA$199.99$169.99This is the Original Gen 1 Orbit Marine LED Now with LOOP Control. Perfect for Fish Only Aquariums and Soft Corals. Right from the start, there’s a lot to love about the Orbit Marine. It’s simple,... -
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... -
On Sale 15%
On Sale 15%Orbit Marine LED Fixture 24"- 36" (Gen 1) w/LOOP Control (4101) - Current USA
Current USA$139.95$118.96This is the Original Gen 1 Orbit Marine LED Now with LOOP Control. Perfect for Fish Only Aquariums and Soft Corals. Right from the start, there’s a lot to love about the Orbit Marine. It’s simple,... -
Orbit Marine LED Fixture 36"- 48" (Gen 1) w/LOOP Control (4102) - Current USA
Current USA$159.99This is the Original Gen 1 Orbit Marine LED Now with LOOP Control. Perfect for Fish Only Aquariums and Soft Corals. Right from the start, there’s a lot to love about the Orbit Marine. It’s simple,... -
On Sale 15%
On Sale 15%Orbit Marine LED Fixture 18"- 24" (Gen 1) w/LOOP Control (4100) - Current USA
Current USA$129.95$110.46This is the Original Gen 1 Orbit Marine LED Now with LOOP Control. Perfect for Fish Only Aquariums and Soft Corals. Right from the start, there’s a lot to love about the Orbit Marine. It’s simple,... -
On Sale 15%
On Sale 15%Cowfish Spiny Box Puffer (Lactoria diaphana) - SAQ Chicago Fish
Live Fish$39.99$33.99Cowfish (Spiny box) 3" - 4.25" in size. Cowfish Spiny Box Puffer or Lactoria diaphana is also known as a round belly cowfish. This species is yellowish to brown with dusky spots and blotches... -
ARID N18 Macroalgae Reactor - Pax Bellum
Pax Bellum$635.00The concept of using macroalgae as a method of nutrient export is not new. However, the introduction of the ARID (Algae Remediation Illuminated Device) the original, patented macroalgae reactor by... -
ARID N24 Macroalgae Reactor - Pax Bellum
Pax Bellum$949.00The concept of using macroalgae as a method of nutrient export is not new. However, the introduction of the ARID (Algae Remediation Illuminated Device) the original, patented macroalgae reactor by... -
ShrimpCode (125mL) - Brightwell
Brightwell Aquatics$9.05Trace and minor elements for shrimp and other crustaceans & riverine fishes Overview Copper free and shrimp safe. Unique complex that provides trace and minor elements in ratios found to be... -
Bulk Super GFO High Capacity Phosphate Reducer (1.5 lb)
Kolar Labs$84.60This High Capacity GFO is the Original GFO Bayoxide E33. All of the fines and dust have be prefilltered out to give you a heaver more effective product. High phosphate levels are a recipe for... -
On Sale 15%
On Sale 15%Bulk GFO Phosphate Reducer (2 lbs)
Kolar Labs$71.43$60.72This GFO is the Original GFO Bayoxide E33. High phosphate levels are a recipe for disaster in saltwater aquariums. It is a nutrient for nuisance algae and also hampers the formation of calcium... -
Bulk Super GFO High Capacity Phosphate Reducer (3.3 lb)
Kolar Labs$143.32This High Capacity GFO is the Original GFO Bayoxide E33. All of the fines and dust have be prefilltered out to give you a heaver more effective product. High phosphate levels are a recipe for... -
Bulk GFO Phosphate Reducer (4 lbs)
Kolar Labs$119.06This GFO is the Original GFO Bayoxide E33. High phosphate levels are a recipe for disaster in saltwater aquariums. It is a nutrient for nuisance algae and also hampers the formation of calcium... -
Bulk Super GFO High Capacity Phosphate Reducer (7 lb)
Kolar Labs$286.64This High Capacity GFO is the Original GFO Bayoxide E33. All of the fines and dust have be prefilltered out to give you a heaver more effective product. High phosphate levels are a recipe for... -
On Sale 15%
On Sale 15%Bulk GFO Phosphate Reducer (1 lb)
Kolar Labs$39.68$33.73This GFO is the Original GFO Bayoxide E33. High phosphate levels are a recipe for disaster in saltwater aquariums. It is a nutrient for nuisance algae and also hampers the formation of calcium... -
(SAMPLE) Bulk GFO Phosphate Reducer Bayoxide (1/8 Gallon - 0.5 lb)
Kolar Labs$15.99This GFO is the Original GFO Bayoxide E33. High phosphate levels are a recipe for disaster in saltwater aquariums. It is a nutrient for nuisance algae and also hampers the formation of calcium... -
Bulk GFO Phosphate Reducer 5 Gallon Bucket (20 lbs)
Kolar Labs$508.02This GFO is the Original GFO Bayoxide E33. High phosphate levels are a recipe for disaster in saltwater aquariums. It is a nutrient for nuisance algae and also hampers the formation of calcium... -
Bulk Super GFO High Capacity Phosphate Reducer 5 Gallon Bucket (35 lb)
Kolar Labs$1,398.77This High Capacity GFO is the Original GFO Bayoxide E33. All of the fines and dust have be prefilltered out to give you a heaver more effective product. High phosphate levels are a recipe for... -
On Sale 30%
On Sale 30%4K Gyre Flow Pump (Pump Only) - Icecap
Icecap$184.79$129.35The IceCap Gyre is back and better than ever! The all-new IceCap 4K Gyre Flow Pump is more powerful than its 3K predecessor. Gyre 4K Pump Features & Benefits Unique Gyre Flow: Virtually... -
On Sale 15%
On Sale 15%Professionel 5e 350 External Filter - Eheim
EHEIM$469.95$399.46The EHEIM professionel 5e offers you unique intelligence and several functional advantages.The EHEIM professionel 5e is our best external filter to date, offering everything an aquarium enthusiast... -
On Sale 15%
On Sale 15%Professionel 5e 450 External Filter - Eheim
EHEIM$529.95$450.46The EHEIM professionel 5e offers you unique intelligence and several functional advantages.The EHEIM professionel 5e is our best external filter to date, offering everything an aquarium enthusiast... -
Liquid Reef (250mL) - Brightwell
Brightwell Aquatics$16.43Concentrated Reef Builder for Coralline Algae, Corals, Clams & other Marine Invertebrates Overview Complete source of the elements and molecules that are directly used by corals, clams, and... -
Shrimp Blackwater Clear (250mL) - Brightwell
Brightwell Aquatics$10.36Provides humic substances for all shrimp & freshwater fish planted biotope aquaria with much less color Overview Shrimp safe and copper free. Establishes similar water conditions to those found... -
On Sale 15%
On Sale 15%Professionel 5e 700 External Filter - Eheim
EHEIM$599.95$509.96The EHEIM professionel 5e offers you unique intelligence and several functional advantages.The EHEIM professionel 5e is our best external filter to date, offering everything an aquarium enthusiast... -
Liquid Reef (500mL) - Brightwell
Brightwell Aquatics$26.28Concentrated Reef Builder for Coralline Algae, Corals, Clams & other Marine Invertebrates Overview Complete source of the elements and molecules that are directly used by corals, clams, and... -
Shrimp Blackwater Clear (125mL) - Brightwell
Brightwell Aquatics$7.17Provides humic substances for all shrimp & freshwater fish planted biotope aquaria with much less color Overview Shrimp safe and copper free. Establishes similar water conditions to those found... -
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HYDROS Wifi Smart Plug - Coralvue
Hydros$23.99The HYDROS WiFi Smart Plug is a smart power outlet designed to work with the CoralVue HYDROS platform. The Smart Plug has a 1 x 100-250V AC outlet that is WiFi controllable using the free HYDROS...
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...