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%

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...

Out of stock
On Sale 15%

On Sale 15%

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%

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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On Sale 15%

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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

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

Fiji Cube

$3,999.99

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%

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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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LRS Chunky Predator Frenzy (7 oz Pack) - Superior Nutrition All-in-One Frozen Food for Marine Fish, Corals & Invertebrates

LRS

$21.99

LRS "Chunky" is the perfect food for hobbyists with large predatory fish such as triggers, puffers, and eels. This blend offers a convenient way to feed your fish fresh, diverse, and high-quality...

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LRS Fish Frenzy (7 oz Pack) - Superior Nutrition All-in-One Frozen Food for Marine Fish, Corals & Invertebrates

LRS

$21.99

Fish Frenzy is a premium, "clean" daily food for marine fish, especially formulated to entice even the most finicky eaters. This blend is the base recipe for all LRS food blends and comes in a...

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What's New?

On Sale 30%

On Sale 30%

(DAMAGED) (4 Pack) Real Reef Arches Box - Real Reef

Real Reef

$139.99

$97.99

UNUSED CUSTOMER RETURN SOME DAMAGE Approximately 8-14" on Average in Length, hand made so all the designs slightly different. Real Reef Arches are Here! The best looking manmade rock now in...

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On Sale 13%

On Sale 13%

(OPEN BOX) 24-10-14 Rimless Bio Refugium Sumps - Bashsea

Bashsea

$289.00

$249.99

UNUSED CUSTOMER RETURN Bio-Fuge Sumps - A simple rimless sump for any modern aquarium. - Bashsea's Bio-Fuge Sumps are the only fully featured rimless sump on the market. Our...

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On Sale 10%

On Sale 10%

(OPEN BOX) Life Rock Arches (20 lb - 4 Arches) - CaribSea

Caribsea

$164.86

$147.99

UNUSED CUSTOMER RETURN Fantastic shapes, incredible colors… Well check out new LifeRock™ Shapes, the latest version of CaribSea’s amazing LifeRock™ line up. Each 20 pound box comes with 4 arches!...

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On Sale 40%

On Sale 40%

(USED) Black WYZE Cam v4 2.5K HD WiFi Smart Home Aquarium Security Camera

SaltwaterAquarium

$39.99

$23.99

USED - TESTED - WORKS WYZE Cam v4, 2.5K HD WiFi Smart Home Security Camera, Indoor/Outdoor, Pet/Baby Monitor, Motion Activated Spotlight/Siren, Color Night Vision, 2-Way Audio, Works with Alexa...

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On Sale 12%

On Sale 12%

(OPEN BOX) WYZE Camera Aquarium Mount Kit with ModMag (Camera Sold Separately) - AvidAqua

AvidAqua

$39.95

$34.99

UNUSED CUSTOMER RETURN WYZE CAMERA NOT INCLUDED Add fun and another level of security to your aquarium with ease. Value-priced Wyze cameras are ubiquitous these days and are perfect for monitoring...

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On Sale 10%

On Sale 10%

(OPEN BOX) TECO SeaChill TK500 1/6 HP Aquarium Chiller (Up to 120 Gallons) - Teco

Teco

$1,299.99

$1,169.99

UNUSED CUSTOMER RETURN Chiller Only Unit for standard systems & aquariums up to 120 gallons The new TANK chiller line is the next generation of TECO's flagship SeaChill aquarium...

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On Sale 14%

On Sale 14%

(OPEN BOX) 72" - 180/210 Gallon Versa-Top Hinged Glass LID (72" x 24") - Aqueon

Aqueon

$86.96

$74.99

UNUSED CUSTOMER RETURN CONTAINS THREE 24" Lids These high-qu

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On Sale 10%

On Sale 10%

(OPEN BOX) 22.4 Gallon Rimless AIO Glass Nano Tank - PRO Series - Fiji Cube

Fiji Cube

$399.99

$359.99

UNUSED CUSTOMER RETURN The Fiji Cube 22.4 Gallon Cube Rimless AIO (All-in-One) Glass Nano Tank from the PRO Series is a premium, compact aquarium system designed for hobbyists seeking both high-end...

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AF 150 All-In Skim 4-In-1 Skimmer Filtration System - Aquaforest

Aquaforest

$699.99

Aquaforest AF-150 All-In-Skim 4-in-1 Filtration System Reclaim Your Sump Space. Stabilize Your pH. Elevate Your Reef. Managing a thriving reef tank usually means crowding your sump with independent...

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On Sale 15%

On Sale 15%

Sunkist Bounce Mushroom WYSIWYG - SAQ Coral Farm

Saltwater Coral Farm

$159.99

$135.99

Sunkist Bounce Mushroom 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. Sunkist Bounce Mushroom...

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On Sale 15%

On Sale 15%

Sunkist Bounce Mushroom WYSIWYG - SAQ Coral Farm

Saltwater Coral Farm

$159.99

$135.99

Sunkist Bounce Mushroom 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. Sunkist Bounce Mushroom...

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On Sale 15%

On Sale 15%

Sunkist Bounce Mushroom WYSIWYG - SAQ Coral Farm

Saltwater Coral Farm

$159.99

$135.99

Sunkist Bounce Mushroom 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. Sunkist Bounce Mushroom...

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On Sale 15%

On Sale 15%

Sunkist Bounce Mushroom WYSIWYG - SAQ Coral Farm

Saltwater Coral Farm

$159.99

$135.99

Sunkist Bounce Mushroom 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. Sunkist Bounce Mushroom...

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On Sale 15%

On Sale 15%

Sunkist Bounce Mushroom WYSIWYG - SAQ Coral Farm

Saltwater Coral Farm

$159.99

$135.99

Sunkist Bounce Mushroom 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. Sunkist Bounce Mushroom...

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On Sale 15%

On Sale 15%

Sunkist Bounce Mushroom WYSIWYG - SAQ Coral Farm

Saltwater Coral Farm

$159.99

$135.99

Sunkist Bounce Mushroom 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. Sunkist Bounce Mushroom...

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On Sale 15%

On Sale 15%

Sunkist Bounce Mushroom WYSIWYG - SAQ Coral Farm

Saltwater Coral Farm

$159.99

$135.99

Sunkist Bounce Mushroom 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. Sunkist Bounce Mushroom...

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On Sale 15%

On Sale 15%

Firecracker Goniopora Coral WYSIWYG - SAQ Coral Farm

Saltwater Coral Farm

$299.99

$254.99

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 Goniopora...

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On Sale 15%

On Sale 15%

Neon Powder Cloves Colony WYSIWYG - SAQ Coral Farm

Saltwater Coral Farm

$109.99

$93.49

Neon Powder Cloves Colony 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. Neon Powder Cloves...

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On Sale 15%

On Sale 15%

Orange Tip Cloves Colony WYSIWYG - SAQ Coral Farm

Saltwater Coral Farm

$109.99

$93.49

Orange Tip Cloves Colony 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. Orange Tip Cloves Colony...

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On Sale 15%

On Sale 15%

Cloves Colony WYSIWYG - SAQ Coral Farm

Saltwater Coral Farm

$99.99

$84.99

Cloves Colony 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. Cloves Colony WYSIWYG is a fast...

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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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On Sale 15%

On Sale 15%

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

Fritz Aquatics

$84.99

$72.24

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

Real Reef

$6.99

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

Real Reef

$6.99

"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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