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On Sale 15%
On Sale 15%FritzZyme #7 Freshwater (8 oz) - Fritz Aquatics
Fritz Aquatics$8.79$7.47FritzZyme 7 contains specific strains of live nitrifying bacteria proven to reduce fish loss due to toxic levels of ammonia and nitrite. Nitrifying bacteria can take weeks to naturally establish... -
On Sale 30%
On Sale 30%Captive-Bred Clarkii Large (Amphiprion clarkii) - ORA
ORA$35.99$25.19One (1) LARGE Clarkii Clownfish The Clarkii Clownfish is a highly popular aquarium species. They are sometimes sold under the name of “Sebae Clownfish”, which is actually the species name of a very... -
On Sale 30%
On Sale 30%2K Gyre Flow Pump With WaveEngine LE Controller - Icecap
Icecap$346.49$242.54The IceCap Gyre is back and better than ever! The all-new IceCap 2K Gyre Flow Pump is not only more powerful than its predecessor, it is now WiFi controllable, allowing you to fine-tune your flow... -
On Sale 10%
On Sale 10%LifeRock Ultimate Shelf Rock (20 lbs) - Caribsea
Caribsea$166.09$149.48LifeRock™ LifeRock™ begins as a sunlit piece of Pleistocene era seafloor thriving with living creatures. Over the next 100 millennia and the retreat of the ocean, this ancient piece of... -
On Sale 15%
On Sale 15%FritzZyme #9 Saltwater (16 oz) - Fritz Aquatics
Fritz Aquatics$12.79$10.87FritzZyme 9 contains saltwater specific strains of live nitrifying bacteria proven to reduce fish loss due to toxic levels of ammonia and nitrite. Nitrifying bacteria can take weeks to naturally... -
On Sale 15%
On Sale 15%FritzZyme #9 Saltwater (32 oz) - Fritz Aquatics
Fritz Aquatics$23.19$19.71FritzZyme 9 contains saltwater specific strains of live nitrifying bacteria proven to reduce fish loss due to toxic levels of ammonia and nitrite. Nitrifying bacteria can take weeks to naturally... -
Reef Actif (60 g) Coral Food - Tropic Marin
Tropic Marin$22.99For treating aquarium water between water changes. Tropic Marin® Reef Actif is made up of a mixture of natural organic substances of predominantly marine origin. The biopolymers in Tropic Marin®... -
AQUA FILTRA 40 Replacement Complete Cartridge (2 Pack) - Sicce
Sicce$20.99Genuine Sicce AQUA FILTRA 40 Replacement Complete Cartridge (2-Pack) The All-in-One Solution for Pristine Aquarium Water Keep your aquarium filtration system operating at peak efficiency with the... -
On Sale 15%
On Sale 15%One & Only Reef Live Nitrifying Bacteria (4 oz) 60 Gallons - Dr Tim's
Dr Tim's Aquatics$40.59$34.50We store this in a climate controlled environment to keep it fresh - Good for 6 months at room temperature, 1 year at 50°F. Best to keep refrigerated for longest shelf life. One and Only Live... -
On Sale 15%
On Sale 15%One & Only Freshwater Live Nitrifying Bacteria (128 oz) 1920 Gallons - Dr Tim's
Dr Tim's Aquatics$455.39$387.08We store this in a climate controlled environment to keep it fresh - Good for 6 months at room temperature, 1 year at 50°F. Best to keep refrigerated for longest shelf life. One and Only Live... -
On Sale 30%
On Sale 30%Captive-Bred Premium Picasso (Amphiprion percula) PAIR - ORA
ORA$201.99$141.39ORA Premium Picassos are an extremely rare and highly sought after variant of the Percula Clownfish. The Picasso variant occurs naturally in the Solomon Islands and Papua New Guinea however it is... -
On Sale 15%
On Sale 15%Pro 4+ 350 Canister Filter - (50-95 gallon tanks) - Eheim
EHEIM$299.95$254.96The EHEIM professionel 4+ – our best external filter but now with an integrated ‘emergency’ button. We have adopted the many advantages of the professional 3 series – powerful performance, optimal... -
On Sale 15%
On Sale 15%FritzZyme #7 Freshwater (32 oz) - Fritz Aquatics
Fritz Aquatics$23.19$19.71FritzZyme 7 contains specific strains of live nitrifying bacteria proven to reduce fish loss due to toxic levels of ammonia and nitrite. Nitrifying bacteria can take weeks to naturally establish... -
On Sale 30%
On Sale 30%Captive-Bred Clarkii Clownfish (Amphiprion clarkii) PAIR - ORA
ORA$98.99$69.29PAIR of Clarkii Clownfish The Clarkii Clownfish is a highly popular aquarium species. They are sometimes sold under the name of “Sebae Clownfish”, which is actually the species name of a very... -
On Sale 15%
On Sale 15%One & Only Reef Live Nitrifying Bacteria (8 oz) 120 Gallons - Dr Tim's
Dr Tim's Aquatics$66.29$56.35We store this in a climate controlled environment to keep it fresh - Good for 6 months at room temperature, 1 year at 50°F. Best to keep refrigerated for longest shelf life. One and Only Live... -
On Sale 15%
On Sale 15%One & Only Freshwater Live Nitrifying Bacteria (16 oz) 240 Gallons - Dr Tim's
Dr Tim's Aquatics$98.89$84.06We store this in a climate controlled environment to keep it fresh - Good for 6 months at room temperature, 1 year at 50°F. Best to keep refrigerated for longest shelf life. One and Only Live... -
Reef Roids Nano (37 g) Pouch - Polyplab
PolypLab$15.99Although originally engineered for feeding the Goniopora genus, this product has been very well received in the hobby as an excellent food source for all filter feeding corals.The particle size of... -
Reef Roids Professional (150 g) Pouch - Polyplab
PolypLab$39.99Although originally engineered for feeding the Goniopora genus, this product has been very well received in the hobby as an excellent food source for all filter feeding corals.The particle size of... -
On Sale 10%
On Sale 10%LifeRock Purple Flatz (20 lb) - Caribsea
Caribsea$185.87$167.28LifeRock™ begins as a sunlit piece of Pleistocene era seafloor thriving with living creatures. Over the next 100 millennia and the retreat of the ocean, this ancient piece of seafloor, now well... -
On Sale 15%
On Sale 15%One & Only Reef Live Nitrifying Bacteria (16 oz) 240 Gallons - Dr Tim's
Dr Tim's Aquatics$122.59$104.20We store this in a climate controlled environment to keep it fresh - Good for 6 months at room temperature, 1 year at 50°F. Best to keep refrigerated for longest shelf life. One and Only Live... -
On Sale 15%
On Sale 15%One & Only Reef Live Nitrifying Bacteria (32 oz) 480 Gallons - Dr Tim's
Dr Tim's Aquatics$181.09$153.93We store this in a climate controlled environment to keep it fresh - Good for 6 months at room temperature, 1 year at 50°F. Best to keep refrigerated for longest shelf life. One and Only Live... -
On Sale 15%
On Sale 15%One & Only Freshwater Live Nitrifying Bacteria (8 oz) 120 Gallons - Dr Tim's
Dr Tim's Aquatics$53.59$45.55We store this in a climate controlled environment to keep it fresh - Good for 6 months at room temperature, 1 year at 50°F. Best to keep refrigerated for longest shelf life. One and Only Live... -
AQUA FILTRA 10-20 Replacement Complete Cartridge (2 Pack) - Sicce
Sicce$8.99Genuine Sicce AQUA FILTRA 10-20 Replacement Complete Cartridge (2-Pack) The Ultimate All-in-One Filtration Solution for Your Nano Aquarium Ensure your small aquarium remains a pristine and healthy... -
Siporax Professional (500 ml) Filter Media Rings - Sera
Sera$16.99The original sera siporax Professional is suitable for use in both freshwater and marine aquariums as well as in ponds. Not depending on the kind of filter (internal/external/trickle filter), it... -
MarcoRocks Nano Shelf Rock (8 lbs) - Marco Rock
MarcoRocks$47.99MarcoRocks Nano Shelf – 8lb Bag The Perfect Foundation for Your Nano Reef Masterpiece Bring the dramatic, multi-tiered aesthetic of professional aquascaping to your smaller aquarium with the -
On Sale 15%
On Sale 15%One & Only Freshwater Live Nitrifying Bacteria (32 oz) 480 Gallons - Dr Tim's
Dr Tim's Aquatics$145.89$124.01We store this in a climate controlled environment to keep it fresh - Good for 6 months at room temperature, 1 year at 50°F. Best to keep refrigerated for longest shelf life. One and Only Live... -
Reef Roids (75 g) Pouch - Polyplab
PolypLab$23.99Although originally engineered for feeding the Goniopora genus, this product has been very well received in the hobby as an excellent food source for all filter feeding corals.The particle size of... -
On Sale 30%
On Sale 30%Captive-Bred Misbar Onyx Percula (Amphiprion percula) - ORA
ORA$59.99$41.99The ORA® Captive-Bred Misbar Onyx Percula Clownfish originates from the reefs of Papua New Guinea, and is a not very common in the trade. This is a beautiful species of clownfish with the classic... -
On Sale 15%
On Sale 15%One & Only Reef Live Nitrifying Bacteria (2 oz) 30 Gallons - Dr Tim's
Dr Tim's Aquatics$22.89$19.46We store this in a climate controlled environment to keep it fresh - Good for 6 months at room temperature, 1 year at 50°F. Best to keep refrigerated for longest shelf life. One and Only Live... -
On Sale 15%
On Sale 15%One & Only Freshwater Live Nitrifying Bacteria (2 oz) 30 Gallons - Dr Tim's
Dr Tim's Aquatics$18.69$15.89We store this in a climate controlled environment to keep it fresh - Good for 6 months at room temperature, 1 year at 50°F. Best to keep refrigerated for longest shelf life. One and Only Live... -
On Sale 15%
On Sale 15%One & Only Freshwater Live Nitrifying Bacteria (4 oz) 60 Gallons - Dr Tim's
Dr Tim's Aquatics$32.69$27.79We store this in a climate controlled environment to keep it fresh - Good for 6 months at room temperature, 1 year at 50°F. Best to keep refrigerated for longest shelf life. One and Only Live... -
On Sale 15%
On Sale 15%One & Only Freshwater Live Nitrifying Bacteria (64 oz) 960 Gallons - Dr Tim's
Dr Tim's Aquatics$236.89$201.36We store this in a climate controlled environment to keep it fresh - Good for 6 months at room temperature, 1 year at 50°F. Best to keep refrigerated for longest shelf life. One and Only Live... -
On Sale 10%
On Sale 10%LifeRock Purple Flatz (5 lb) - Caribsea
Caribsea$54.72$49.25LifeRock™ begins as a sunlit piece of Pleistocene era seafloor thriving with living creatures. Over the next 100 millennia and the retreat of the ocean, this ancient piece of seafloor, now well... -
On Sale 30%
On Sale 30%Captive-Bred Premium Picasso (Amphiprion percula) - ORA
ORA$71.99$50.39ORA Premium Picassos are an extremely rare and highly sought after variant of the Percula Clownfish. The Picasso variant occurs naturally in the Solomon Islands and Papua New Guinea however it is... -
Masstick Fish Food (14 gm) - Easy Reefs
Easy Reefs$8.46Masstick is a blend of diverse, all natural, self-production, highly technical compounds, providing natural and balanced nutrition for omnivorous fish and marine invertebrates. Comprised of raw... -
Masstick Fish Food (70 gm) - Easy Reefs
Easy Reefs$35.08Masstick is a blend of diverse, all natural, self-production, highly technical compounds, providing natural and balanced nutrition for omnivorous fish and marine invertebrates. Comprised of raw... -
6" XL Replacement Roller QuickChange Fleece (for SK-5000) - ClariSea
ClariSea$34.00XL Version Roll Length - 137 ft vs 82 ft on the original style. The ClariSea fleece filter is a high efficiency water filtration system which effectively removes suspended particles such as micro... -
Freshtick Omnivorous Fish Food (42 gm) - Easy Reefs
Easy Reefs$21.99Freshtick Omnivorous is a complete fish food for ornamental freshwater omnivorous fish. This superfood promotes overall fish health, including nutrition, immunity, reproduction, behavior, and stress... -
Reef Energy AB+ Plus Coral Food (5 L) - Red Sea
Red Sea$169.99An all-in-one superfood that will have your corals thanking you, delivering better growth, higher resilience, brighter colors, greater ease of use with automatic dosers, and minimal over skimming... -
Masstick Fish Food (42 gm) - Easy Reefs
Easy Reefs$22.98Masstick is a blend of diverse, all natural, self-production, highly technical compounds, providing natural and balanced nutrition for omnivorous fish and marine invertebrates. Comprised of raw...
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...