SaltwaterAquarium - Aquarium Supplies

Featured Products

RO/DI Flood Guardian - RODI Auto Shut Off Solinoid - AutoAqua

AutoAqua

$94.99

Stop the Floods. Start the Convenience. Making RO or RO/DI water for your aquarium is a time-consuming necessity, but forgetting to turn it off shouldn't cost you a flooded floor. The AutoAqua Smart...

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On Sale 15%

B-Ionic Nitrate (16 oz) - ESV

ESV

$19.99

$16.99

Achieve vibrant coral coloration and robust health with ESV B-Ionic® Nitrate, a professional-grade, highly purified calcium nitrate solution. In the modern ultra-low nutrient system (ULNS), many reef...

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Granular Activated Clean Carbon (3.5 lbs, 1600 grams) - ESV

ESV

$39.99

$33.99

Achieve crystal-clear water and a healthier aquatic environment with ESV Granular Activated Carbon (GAC). Recognized by professional reef keepers as one of the highest-quality chemical filtration...

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On Sale 15%

Kalkwasser Powder Calcium Hydroxide (14 oz, 400 grams) - ESV

ESV

$14.99

$12.74

Maintain a thriving reef ecosystem with the purity of ESV Kalkwasser. A cornerstone of marine aquarium care for decades, Calcium Hydroxide is a proven, economical method for maintaining both calcium...

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HYDROS Duet: The Ultimate Super-Duty Dosing, Water Change & Control Hybrid

Hydros

$799.99

HYDROS Duet: The Ultimate Super-Duty Dosing & Control Hybrid Take total control of your aquarium’s most demanding liquid management tasks with the HYDROS Duet. Engineered for hobbyists who...

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4-Head Dosing Pump - Simplicity

Simplicity

$149.95

The Simplicity Dosing Pump is an accurate, effective, and affordable liquid dosing solution. The four dosing heads offer high-precision liquid dosing combined with easy-to-use integrated controls...

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Marine Grazing Pellets 8mm (2.82 oz) - Vialtis

Vitalis

$20.99

$17.84

Vitalis Marine Grazing Pellets (8mm) – 80g Fuel the natural foraging instincts of your saltwater fish with Vitalis Marine Grazing Pellets. These high-quality, 8mm pellets are specifically formulated...

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On Sale 15%

On Sale 15%

Marine Grazing Pellet Station - Vitalis

Vitalis

$8.99

$7.64

Vitalis Universal Grazing Station – Interactive Feeding System Enhance your aquarium’s feeding experience with the Vitalis Universal Grazing Station. Designed by the experts at Vitalis, this...

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BioSpace Reactor 8-2 (8" x 21") Up to 500 Gallons - Bashsea

Bashsea

$599.00

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...

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BioSpace Reactor 6-2 (6" x 21") Up to 225 Gallons - Bashsea

Bashsea

$399.00

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...

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BioSpace Reactor 4-2 (4" x 21") Up to 110 Gallons - Bashsea

Bashsea

$219.00

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...

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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...

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84 Gallon Peninsula Drop Off Aquarium w/ Black Stand - Full Package - Fiji Cube

Fiji Cube

$4,499.99

$3,824.99

Dive into something different with the Fiji Cube 84 Gallon Peninsula Internal Overflow Drop Off Rimless Aquarium – where creativity meets the coast! Designed for reef lovers and aquascaping...

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On Sale 15%

On Sale 15%

84 Gallon Peninsula Drop Off Aquarium w/ Black Stand - Fiji Cube

Fiji Cube

$3,999.99

$3,399.99

Dive into something different with the Fiji Cube 84 Gallon Peninsula Internal Overflow Drop Off Rimless Aquarium – where creativity meets the coast! Designed for reef lovers and aquascaping...

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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...

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ION-B ALK/pH+ Liquid (5000 mL) Base 2 Part - NYOS

NYOS

$59.99

Balanced Alkalinity Support for Modern Reef Tanks Pre-Mixed, Ready-to-use Solution Increases Alkalinity and Stabilizes pH Also Contains Sulfate, Bromine and Fluorine for Ion...

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ION-B CA/MG+ Liquid (5000 mL) Base 2 Part - NYOS

NYOS

$59.99

Balanced Calcium and Magnesium Support for Modern Reef Tanks Pre-Mixed, Ready-to-use Solution Increases Calcium and Magnesium Also Contains Strontium, Potassium, and Boron for Ion...

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On Sale 15%

On Sale 15%

PNS Deep Cycle (1 Gallon) Live Bacteria - Hydrospace

Hydrospace

$249.99

$212.49

A Functional Cohort of

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Nitrate Minus (1000 ml) - NYOS

NYOS

$34.99

Achieve Near-Detection-Limit Water Purity Nyos® Nitrate Minus is a high-purity, innovative solution designed to biologically reduce nitrate levels in marine and fresh

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MEGA Filtra 950 SDC Aquarium Canister Filter Up to 250 Gal (568 gph) - Sicce

Sicce

$499.99

Experience the next generation of aquarium filtration with the Sicce Mega Filtra Series. Entirely designed and manufactured in Italy, these premium canister filters combine heavy-duty

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MEGA Filtra 900 Aquarium Canister Filter Up to 240 Gal (410 gph) - Sicce

Sicce

$349.99

Experience the next generation of aquarium filtration with the Sicce Mega Filtra Series. Entirely designed and manufactured in Italy, these premium canister filters combine heavy

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MEGA Filtra 650 Aquarium Canister Filter Up to 170 Gal (380 gph) - Sicce

Sicce

$299.99

Experience the next generation of aquarium filtration with the Sicce Mega Filtra Series. Entirely designed and manufactured in Italy, these premium canister filters combine heavy

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HYDROS Launch Aquarium Controller

Hydros

$635.24

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Control X10 HYDROS Controller & Dosing System by Coralvue

Hydros

$923.99

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On Sale 48%

On Sale 48%

(EXPIRED 6/26) Expel-P Internal Parasite & Worm Treatment (20 Count) - Fritz

Fritz Aquatics

$23.19

$11.99

EXPIRED Expel-P (Levamisole HCl), is an anthelmintic (anti-worm) and immunostimulant agent. Expel-P is safe to use in freshwater and saltwater aquaria and is effective against many internal...

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On Sale 51%

On Sale 51%

(EXPIRED 5/26) TDO-B2 Chroma Boost Fish Food (3 oz) - Reef Nutrition

Reef Nutrition

$16.25

$7.99

EXPIRED TDO Chroma BOOST is a granulated and pelleted fish and coral feed "top-dressed" with Haematococcus (which provides an excellent source of astaxanthin) for vibrant color and superior...

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On Sale 10%

On Sale 10%

(OPEN BOX) Fluid Monitoring Module (Module Only) - Neptune Systems

Neptune Systems

$139.99

$125.99

UNUSED CUSTOMER RETURN FMM – FLUID MONITORING MODULE IT DOES SO MUCH! This is just the module itself without and sensors. The FMM (Fluid Monitoring Module) is a module that connects to any Apex...

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On Sale 10%

(OPEN BOX) Apex FMM Leak Detection Probe Low Profile (LD-1) - Neptune Systems

Neptune Systems

$49.99

$44.99

UNUSED CUSTOMER RETURN Plug this probe into your FMM and then place it underneath your carpet near your aquarium. Upon contact with water this probe will communicate to your Apex and...

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Chaos Jawbreaker Discosoma WYSIWYG - SAQ Coral Farm

Saltwater Coral Farm

$369.99

Chaos Jawbreaker Discosoma WYSIWYG (Egg crate squares are 1.25") If you are looking to buy vibrant color coral online to add to your reef tank, this is the best choice. Chaos Jawbreaker...

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Darth Maul Jawbreaker Discosoma WYSIWYG - SAQ Coral Farm

Saltwater Coral Farm

$209.99

Darth Maul Jawbreaker Discosoma WYSIWYG (Egg crate squares are 1.25") If you are looking to buy vibrant color coral online to add to your reef tank, this is the best choice. Darth Maul...

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Mint Chip Jawbreaker Discosoma WYSIWYG - SAQ Coral Farm

Saltwater Coral Farm

$199.99

Mint Chip Jawbreaker Discosoma WYSIWYG (Egg crate squares are 1.25") If you are looking to buy vibrant color coral online to add to your reef tank, this is the best choice. Mint Chip...

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Red Goniopora Coral Colony WYSIWYG - SAQ Coral Farm

Saltwater Coral Farm

$189.99

Red Goniopora 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. Red Goniopora Coral Colony...

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Blue Punch Goniopora Coral WYSIWYG - SAQ Coral Farm

Saltwater Coral Farm

$199.99

Blue Punch Goniopora Coral 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. Blue Punch Goniopora...

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Firecracker Goniopora Coral WYSIWYG - SAQ Coral Farm

Saltwater Coral Farm

$249.99

Firecracker Goniopora Coral 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. Firecracker...

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Key Lime Goniopora Coral WYSIWYG - SAQ Coral Farm

Saltwater Coral Farm

$249.99

Key Lime Goniopora Coral 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. Key Lime Goniopora Coral...

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Reduce DOC (8 oz) - Microbial Marine

Microbial Marine

$24.99

Concept: MICROBIAL MARINE REDUCE DOC/ORGANICS is a blend of specialty coconut-based, low-dust, steam-activated carbon and macroporous adsorption resin. The inclusion of macroporous adsorption resin...

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Reduce DOC (32 oz) - Microbial Marine

Microbial Marine

$59.99

Concept: MICROBIAL MARINE REDUCE DOC/ORGANICS is a blend of specialty coconut-based, low-dust, steam-activated carbon and macroporous adsorption resin. The inclusion of macroporous adsorption resin...

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Reduce DOC (16 oz) - Microbial Marine

Microbial Marine

$34.99

Concept: MICROBIAL MARINE REDUCE DOC/ORGANICS is a blend of specialty coconut-based, low-dust, steam-activated carbon and macroporous adsorption resin. The inclusion of macroporous adsorption resin...

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Nitrous (500 mL) - Microbial Marine

Microbial Marine

$19.99

Concept: MICROBIAL MARINE NITROUS is a full-spectrum nitrogen supplement. Corals have been shown to selectively uptake ammonium and urea as their primary nitrogen sources, rather than nitrate. Many...

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Easy Trace (500 mL) - Microbial Marine

Microbial Marine

$24.99

MICROBIAL MARINE EASY TRACE is a solution that contains 15 major and trace elements. These elements have been selected based on their relevance to coral health in scientific literature, as well as...

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Ultra Yellow Frogspawn Coral WYSIWYG - SAQ Coral Farm

Saltwater Coral Farm

$109.99

Ultra Yellow Frogspawn Coral 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. Ultra Yellow Frogspawn Coral...

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Neon Green Frogspawn Coral WYSIWYG - SAQ Coral Farm

Saltwater Coral Farm

$89.99

Neon Green Frogspawn Coral 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. Neon Green Frogspawn...

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Ultra Yellow Frogspawn Coral WYSIWYG - SAQ Coral Farm

Saltwater Coral Farm

$119.99

Ultra Yellow Frogspawn Coral 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. Ultra Yellow Frogspawn...

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Grafted Frogspawn Coral WYSIWYG - SAQ Coral Farm

Saltwater Coral Farm

$119.99

Grafted Frogspawn Coral 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. Grafted Frogspawn Coral...

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Best-Selling Products

$$$ Money Saver Aquarium Dry Live Rock (by the lb) - SaltwaterAquarium

SaltwaterAquarium

$3.25

"By the Pound" means you are choosing the weight of your rock. Ex: Qty 5 is 5 Pounds of Rock, NOT 5 Rocks. Selling individual rocks is impossible due to the fact th

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Marco Rocks Reef Saver Premium Rock (by the lb) - Marco Rock

MarcoRocks

$3.49

"By the Pound" means you are choosing the weight of your rock. Ex: Qty 5 is 5 Pounds of Rock, NOT 5 Rocks. Selling individual rocks is impossible due to the fact that every ro

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HI755-26 HI772-26 Alkalinity Checker Reagent (25 Tests) - Hanna Instruments

Hanna Instruments

$18.99

This reagent works with both the 755 & 772 Hanna checker. It may come with the tag 755-26 or 772-26, both reagents work with both checkers. Extreme Accuracy. Easy to Test in 4 Steps -...

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FritzPRO R.P.M. Salt Mix Box (55 lbs - Makes 200 Gallons) - Fritz Aquatics

Fritz Aquatics

$84.99

Fritz 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...

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MarcoRocks Shelf Premium Dry Rock (by the lb) - Marco Rock

MarcoRocks

$6.89

"By the Pound" means you are choosing the weight of your rock. Ex: Qty 5 is 5 Pounds of Rock, NOT 5 Rocks. Selling individual rocks is impossible due to the fact th

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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...

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ReefMat 500 Replacement Fleece (92') Roll - Red Sea

Red Sea

$20.00

Efficient, high-flow, skimmer friendly non-woven polyester fleece-mat rolls. Installation Instructions for EVERY Red Sea Model - https://www.redseafish...

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ReefMat 1200 Replacement Fleece (115') Roll - Red Sea

Red Sea

$32.00

Efficient, high-flow, skimmer friendly non-woven polyester fleece-mat rolls. Installation Instructions for EVERY Red Sea Model - https://www.redseafish...

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Airline Tubing (OZONE SAFE) By the Foot - Python

Python

$0.24

Python airline tubing is made from a non toxic, FDA approved, and ozone safe material. It's pale blue in color and is easy to conceal, making it virtually invisible in your aquarium. ...

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HI774-25 Ultra Low Range Phosphate Checker Reagents - Hanna Instruments

Hanna Instruments

$18.99

Reagents for the HI774. Our HI774 Ultra Low Range Phosphate Checker will be essentially the same specifications as the HI736 Ultra Low Range Phosphorus Checker however it will not require a...

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On Sale 15%

On Sale 15%

Emerald Crab (Mithraculus sculptus) - Cleanup Crew

Clean Up Crews

$14.99

$12.74

Tired of battling persistent bubble algae and unsightly hair algae? The Emerald Crab (Mithraculus sculptus) is your diligent, all-natural solution. Hailing from the vibrant reefs of the Caribbean,...

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(Germany) Pro Reef Salt Bucket (200 Gallon) - Tropic Marin

Tropic Marin

$132.99

Tropic 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...

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HI713-25 Phosphate Low Range Checker Reagent (25 Tests) - Hanna Instruments

Hanna Instruments

$18.99

Extreme Accuracy. Easy to Test in 4 Steps - Zero the Checker, Add a regent to your water sample, Insert the Vile in the Checker, Read the Numbered Results. BOOM EASY. ZAIR. Zero, Add, Insert, Read...

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1/4" Mur-lok Polyethylene BLUE RO Tubing (Choose Your Length)

SaltwaterAquarium

MSRP:

$2.99 - $99.99

All Tubing is Sold by The Foot. If you would like 10 Feet of Tubing, purchase a quantity of 10. Need 20 foot of tubing, enter 20 for the quantity. You can edit the quantity inside...

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On Sale 15%

On Sale 15%

Dragon Stone Mixed Sizes (by the lb) - Dragonstone Freshwater Rock

Lifegard

$2.49

$2.12

Increase the beauty of your aquarium landscape with these unique style stones and rocks to look like miniature rock formations. Customize your reef structure with safe, all-natural materials...

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SaltwaterAquarium.com Tank Parameter Reference Card

All Misc Brands

$0.00

FREE WITH ANY ORDER. JUST ADD TO YOUR CART WITH MERCHANDISE AND IT WILL BE FREE. A Business Card sized reference card for the most common aquarium parameters.

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Apex Trident Reagent Kit (6 Month Supply) - Neptune Systems

Neptune Systems

$109.99

Trident Reagent Kit 6 Month Supply - With six month kits, the cost of running the Trident is less than $17 per month - that’s averages out to about 7 cents a test! Neptune Systems recommends keeping...

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1/4" Mur-lok Polyethylene ORANGE RO Tubing (Choose Your Length)

SaltwaterAquarium

MSRP:

$2.99 - $99.99

All Tubing is Sold by The Foot. If you would like 10 Feet of Tubing, purchase a quantity of 10. Need 20 foot of tubing, enter 20 for the quantity. You can edit the quantity inside...

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Tigger Pods Live Copepods (6 oz) - Reef Nutrition

Reef Nutrition

$28.00

Because Tigger-Pods (Tigriopus californicus copepods) swim upwards with a stimulating, jerky motion, they are attractive to a wide range of fish...

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Large Bucket Coral Pro Sea Salt Mix (Makes 175 Gallons) - Red Sea

Red Sea

$97.99

Red Sea’s Coral Pro Salt contains biologically balanced, elevated levels of the foundation elements (Calcium, Magnesium, Carbonates) necessary for sustainable, accelerated coral growth. Coral Pro...

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On Sale 15%

On Sale 15%

Real Reef Rock Large 8-16" (by the pound) - Real Reef

Real Reef

$6.99

$5.94

"By the Pound" means you are choosing the weight of your rock. Ex: Qty 5 is 5 Pounds of Rock, NOT 5 Rocks. Selling individual rocks is impossible due to the fact th

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HI736-25 Phosphorus Ultra Low Range Marine Reagent (25 Tests) - Hanna Instruments

Hanna Instruments

$18.99

The HI736-25 are the replacement reagents for the HI736 Phosphorus Ultra Low Range Checker HC. These high quality reagents are manufactured in our state-of-the-art facility and are clearly marked...

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On Sale 15%

On Sale 15%

Real Reef Rock (by the pound) - Mixed Sizes - Real Reef

Real Reef

$6.99

$5.94

"By the Pound" means you are choosing the weight of your rock. Ex: Qty 5 is 5 Pounds of Rock, NOT 5 Rocks. Selling individual rocks is impossible due to the fact th

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Coral Pro Salt Sack (55 lbs Makes 200 Gallons) - Red Sea

Red Sea

$97.99

Red Sea’s Coral Pro Salt contains biologically balanced, elevated levels of the foundation elements (Calcium, Magnesium, Carbonates) necessary for sustainable, accelerated coral growth. Coral Pro...

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