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Nobody likes a cluttered inbox. We get it. That’s why we only send the stuff that actually matters to your reef—and your wallet. Whether you’re hunting for a specific coral, waiting on a high-tech...
Mr Saltwater Tank(Page)There is a central theme in Mark’s life: WATER. WATER. WATER.
Tank Emergency Equipment Checklist(Page)Tank Emergency Equipment Checklist ✓ Spare Saltwater Mixed up? ✓ Clearly marked “saltwater”? ✓ Do you have enough salt to make even more saltwater (at least enough to make 35% of...
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Why Buy From Us?(Page)Good Question. Easy Answer - There are lots of online stores out there, WHY is Saltwater Aquarium different? Our story started in April 2011, I wanted to buy an Ecotech Marine MP40 for...
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Understanding Nitrate (No3) Supplementation For Corals(Post)BY Mark Esquenazi of MECORAL Aug 2017 MECORAL Nitrate Supplement Listening to many reefers discuss their systems and what they are experiencing, we are hearing more frequently that some aquariums a
Products (102)
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HI784-25 Marine Ammonia HC Checker Reagents (25 tests) - Hanna Instruments
Hanna Instruments$28.99HI784-25 Marine Ammonia Checker HC (Handheld Colorimeter) Reagents are high-quality reagents for use with the HI784 Marine Ammonia (ppm) Checker HC. Reagents are clearly marked with the lot number... -
HI764-25 Nitrite Ultra Low Range Reagent (25 Tests) - Hanna Instruments
Hanna Instruments$18.99The HI764-25 are the replacement reagents for the HI764 Nitrite Ultra Low Range Checker® HC. These high-quality reagents are manufactured in our state-of-the-art facility and are clearly marked... -
HI70436M Deionized Water (230 ml) - Hanna
Hanna Instruments$18.99Deionized water for your research needs. Air-tight seal to ensure the quality of the solution. Marked with lot number and expiration date. -
Captive-Bred Gladiator Small (Amphiprion ocellaris) - ORA
ORA$71.99One (1) Small Gladiator Clownfish Originally discovered and named by legendary breeder Bill Addison, our fish follow his genetic blueprints. Elegantly smooth lines curve over a bright orange body to... -
Captive-Bred Gladiator (Amphiprion ocellaris) PAIR - ORA
ORA$208.99PAIR (2) of Small Gladiator Clownfish Originally discovered and named by legendary breeder Bill Addison, our fish follow his genetic blueprints. Elegantly smooth lines curve over a bright orange... -
HI782-25 Nitrate High Range Reagents (25 tests) - Hanna Instruments
Hanna Instruments$26.99HI782-25 (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... -
Reef BluePrint Isol8 Minor and Trace Element Pack (100g) - Captiv8 Aquaculture
Captiv8 Aquaculture$20.39Contains one 10 mL dropper bottle of the following solutions: Isol8 Co Isol8 F Isol8 Fe Isol8 I Isol8 Mn Isol8 Mo Isol8 Ni Isol8 Se Isol8 V Isol8 Zn Application - each individual bottle is... -
Captive-Bred Premium Gladiator Large (Amphiprion ocellaris) - ORA
ORA$99.99One (1) Large Premium Gladiator Clownfish Our work with this fish began nearly 10 years ago. After the distinct Gladiator characteristics spontaneously appeared within our own production, we started... -
(HI783-25) Marine Magnesium Reagents - 25 Tests - Hanna Instruments
Hanna Instruments$25.99This is the new reagents set with 1x Powder, 1x Liquid. These Reagents are for use with the HI783 Marine Magnesium Checker. These high-quality reagents are manufactured at the Hanna state-of-the-art... -
Captive-Bred Premium Gladiator Small (Amphiprion ocellaris) - ORA
ORA$83.99One (1) Small Premium Gladiator Clownfish Our work with this fish began nearly 10 years ago. After the distinct Gladiator characteristics spontaneously appeared within our own production, we started... -
Captive-Bred Premium Gladiator (Amphiprion ocellaris) PAIR - ORA
ORA$233.99One (1) Small Premium Gladiator Clownfish Our work with this fish began nearly 10 years ago. After the distinct Gladiator characteristics spontaneously appeared within our own production, we started... -
(HI781-25) Marine Low Range Nitrate Checker Reagents (25 Tests) - Hanna Instruments
Hanna Instruments$24.99The HI781-25 are high-quality reagents that are pre-measured, allowing for users to achieve fast and accurate measurements with their HI781 Marine Nitrate Low Range Colorimeter. These reagents follow... -
HI701-25 Free Chlorine Checker Reagent (25 Tests) - Hanna Instruments
Hanna Instruments$17.99Get your replacement reagents for your HI701 Free Chlorine Checker® HC today. These high-quality reagents are manufactured in our state-of-the-art facility and are clearly marked with the lot... -
HI707-25 Nitrite Low Range Checker Reagents (25 Tests) - Hanna Instruments
Hanna Instruments$17.99The HI707-25 are the replacement reagents for the HI707 Nitrite Low Range Checker® HC. These high-quality reagents are manufactured in our state-of-the-art facility and are clearly marked with the... -
(HI780-25) Marine pH Checker Reagents (100 Tests) - Hanna
Hanna Instruments$24.99The HI780-25 are high-quality reagents that are pre-measured, allowing for users to achieve fast and accurate measurements with their Marine pH Checker® HC. These reagents follow the Phenol Red... -
Glass Cuvettes and Caps for Checker® HC Colorimeters - set of 2 (HI731315) - Hanna Instruments
Hanna Instruments$15.99The HI731315 are spare glass cuvettes and plastic caps used with the HI7XX Checker® HC colorimeters. Each cuvette has a 10 ml level mark to measure the appropriate volume. The HI731315 includes 2... -
On Sale 20%
On Sale 20%H2Pro Dosing Container Reservoir 1.5 L per Compartment (4.5 L Total)
H2Pro$59.99$47.99A compact vessel to hold your 3 part dosing elements - Ca/Alk/Mg 12.5" Long x 7" Tall (Not including the nipple & stir handle - 7.75" with that) x 4.25" Wide Holds 1.5 L in each box for a total... -
HI7010L 10.01 pH Calibration Buffer Solution (500 ml) Bottle - Hanna Instruments
Hanna Instruments$19.99HI7010/1L is a premium quality pH 10.01 calibration solution that has been dyed violet for easy buffer identification. Hanna calibration buffers have the lot number and expiration date clearly marked... -
Captive-Bred Black Gladiator Clownfish (Amphiprion ocellaris) - ORA
ORA$95.99The smooth swirling stripes on the ORA Black Gladiator create a distinctly enchanting clownfish variety that looks particularly striking with the midnight black coloration. Each fish may have unique... -
On Sale 15%
On Sale 15%Crystal ATO (10 Gallon) - Trigger Systems
Trigger Systems$184.79$157.075 Gallon Dimensions: 6″ long x 14″ wide x 15″ tall -
On Sale 15%
On Sale 15%Ruby ATO (5 Gallon) - Trigger Systems
Trigger Systems$145.99$124.095 GallonDimensions: 6″ long x 14″ wide x 15″ tall 10 Gallon Dimensions: 10″ long x 16″ wide x 15″ tall Laser etched handle Two 0.25″ OD hose ports Lid to prevent evaporation Opening for wires... -
On Sale 15%
On Sale 15%Sapphire ATO (5 Gallon) - Trigger Systems
Trigger Systems$145.90$124.025 GallonDimensions: 6″ long x 14″ wide x 15″ tall 10 Gallon Dimensions: 10″ long x 16″ wide x 15″ tall Laser etched handle Two 0.25″ OD hose ports Lid to prevent evaporation Opening for wires... -
On Sale 15%
On Sale 15%Crystal ATO (5 Gallon) - Trigger Systems
Trigger Systems$135.99$115.595 Gallon Dimensions: 6″ long x 14″ wide x 15″ tall -
On Sale 15%
On Sale 15%Ruby ATO (10 Gallon) - Trigger Systems
Trigger Systems$214.79$182.575 GallonDimensions: 6″ long x 14″ wide x 15″ tall 10 Gallon Dimensions: 10″ long x 16″ wide x 15″ tall Laser etched handle Two 0.25″ OD hose ports Lid to prevent evaporation Opening for wires... -
On Sale 15%
On Sale 15%Sapphire ATO (10 Gallon) - Trigger Systems
Trigger Systems$214.79$182.575 GallonDimensions: 6″ long x 14″ wide x 15″ tall 10 Gallon Dimensions: 10″ long x 16″ wide x 15″ tall Laser etched handle Two 0.25″ OD hose ports Lid to prevent evaporation Opening for wires... -
Captive-Bred Premium Snowflake (Amphiprion ocellaris) PAIR - ORA
ORA$158.99ORA Premium Snowflakes are an especially striking form of A. ocellaris. They have an impressive amount of irregular white markings on the body. The edges of the white coloration will typically be... -
Captive-Bred Premium Snowflake (Amphiprion ocellaris) - ORA
ORA$59.99ORA Premium Snowflakes are an especially striking form of A. ocellaris. They have an impressive amount of irregular white markings on the body. The edges of the white coloration will typically be... -
Glass Cuvette Cleaning Solution (230 ml) HI93703-50 - Hanna Instruments
Hanna Instruments$39.99The glass cuvette is an important component of the optical system in all colorimetric and turbidimetric measurements. Light reaches the sample by first passing through the cuvette glass. Based on... -
Captive-Bred Single Dot Domino (Amphiprion ocellaris) - ORA
ORA$71.99The offspring of Midnight Clownfish range from completely stripeless to uniquely patterned Extreme Misbars. Occasionally we find Midnight Clownfish with dots, with the help of our good friend Julian... -
On Sale 15%
On Sale 15%Triton ATO (10 Gallon) - Trigger Systems
Trigger Systems$218.99$186.145 GallonDimensions: 6″ long x 14″ wide x 15″ tall 10 Gallon Dimensions: 10″ long x 16″ wide x 15″ tall Matching color to Triton sumps: White bottom, Aquamarine sides and top, Smoke back 1/4″... -
Captive-Bred Fancy Ocellaris Veilfin Clownfish (Amphiprion ocellaris) - ORA
ORA$115.99The ORA Veilfin Fancy Ocellaris features beautifully extended, evenly developed fins that flow with smooth, symmetrical grace. Its vibrant orange body is accented by crisp white markings with bold... -
On Sale 15%
On Sale 15%Triton ATO (5 Gallon) - Trigger Systems
Trigger Systems$169.79$144.325 GallonDimensions: 6″ long x 14″ wide x 15″ tall 10 Gallon Dimensions: 10″ long x 16″ wide x 15″ tall Matching color to Triton sumps: White bottom, Aquamarine sides and top, Smoke back 1/4″... -
Captive-Bred Picasso (Amphiprion percula) - ORA
ORA$47.99ORA Picassos are a highly sought after variant of the Percula Clownfish. The Picasso variant occurs naturally in the Solomon Islands and Papua New Guinea however they are exceptionally rare. ORA’s... -
3x 2L Dosing Container (11.8" x 4.8" x 7.8") - 6L Total - Simplicity
Simplicity$99.95Too many bottles, not enough space? Add our dosing container to your lineup to manage your solutions with ease. Simple 3 compartment dosing container. 2L per compartment with L & oz markings... -
Captive-Bred Picasso PAIR (Amphiprion percula) - ORA
ORA$143.99ORA Picassos are a highly sought after variant of the Percula Clownfish. The Picasso variant occurs naturally in the Solomon Islands and Papua New Guinea however they are exceptionally rare. ORA’s... -
Component 1+ 2+ 3+ Concentrate (3x 1000 ml) - Aquaforest
Aquaforest$59.90Balanced Calcium, Alkalinity, and Magnesium Dosing Made Easy Highly Concentrated for Easy Mixing Maintains Stable Calcium, Alkalinity, and Magnesium Levels Complete Balance of Micro and... -
Captive-Bred Black Ice Snowflake (Amphiprion ocellaris)- ORA
ORA$71.99The Black Ice Snowflake (Amphiprion ocellaris) is a cross between a Black Ocellaris and a Snowflake. These beautiful fish were the preliminary results of our efforts to produce a Black Ocellaris with... -
Captive-Bred Black Ice Snowflake PAIR (Amphiprion ocellaris)- ORA
ORA$183.99Pair (2) of Black Ice Snowflake Clownfish The Black Ice Snowflake (Amphiprion ocellaris) is a cross between a Black Ocellaris and a Snowflake. These beautiful fish were the preliminary results of... -
Captive-Bred Snow Storm Veilfin Clownfish (Amphiprion ocellaris) - ORA
ORA$249.99The ORA Veilfin Snow Storm is a striking Amphiprion ocellaris that combines the bold Snowflake and Storm pattern genes with our elegant Veilfin trait, producing long, smooth flowing fins with... -
Aquacultured Nebula Picasso Coral (Amphiprion percula) - ORA
ORA$71.99Over the years of raising thousands of Amphiprion percula and countless generations with a variety of complex patterns, we started collecting the spontaneous few specimens that displayed a blurred or...
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...
Red Acan Colony WYSIWYG - SAQ Coral Farm
Saltwater Coral Farm
$129.99
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...
Gold Hammer Coral Colony WYSIWYG - SAQ Coral Farm
Saltwater Coral Farm
$239.99
Gold Hammer Coral 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.
Gold Hammer Coral Colony...
Rainbow Bounce Mushroom WYSIWYG - SAQ Coral Farm
Saltwater Coral Farm
$299.99
Rainbow Bounce Mushroom 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.
Rainbow Bounce Mushroom...
BioSpace Reactor 8-2 (8" x 21") Up to 500 Gallons - Bashsea
Bashsea
$599.99
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...
BioSpace Reactor 6-2 (6" x 21") Up to 225 Gallons - Bashsea
Bashsea
$399.99
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...
BioSpace Reactor 4-2 (4" x 21") Up to 110 Gallons - Bashsea
Bashsea
$219.99
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...