Great Aquariums Start Here
1-800-566-3474
Live Chat Support
    Free Shipping On $175+
  • FREE Shipping On $175+
  • 14-Day Low Price Guarantee
  • 14-Day Low Price Guarantee
  • Same Day Shipping
  • Same Day Shipping
FREE Shipping on
Orders Over $175
Standard ground shipping (1-7 business days) starts at a low $5.99 and most orders over $175 ship FREE. Learn More
 
If you find a product we sell for a lower price at another online store, we will match their price—today and up to 14 days after you've purchased the item! Learn More
 
Same Day Shipping
We promise to ship your order as fast as humanly possible. In fact, 99% of orders placed before 6 pm EST ship the same day! Learn More
 
Search Results for Saltwater Aquarium Supplies
Show: per page
Grid View Grid List View List
Sort by:
101 - 125 of 457
AquaIllumination Director Control Platform

AquaIllumination Director Control Platform

The Ultimate Control Platform Control your AI devices from anywhere in the world with AI`s Director control platform. Whether it`s on your phone (*Native apps for iOS and Andriod coming soon), tablet or on the web, you`ll alw...

$98.99
Tunze Comline DOC Protein Skimmer

Tunze Comline DOC Protein Skimmer

Tunze`s newest and most compact skimmer! Replaces 9002 Nano DOC protein skimmer. Measuring only 4.3 x 2.5 x 8.5 inches. It is ideal for nano reef aquariums up to 37 gallons (15 gallons for high nutrient or dedicated SPS tanks)....

From $115.69
Buy a JBJ Automatic Top Off System and Get an Acella Powerhead Free

Buy a JBJ Automatic Top Off System and Get an Acella Powerhead Free

Purchase a JBJ Automatic Top Off System and receive an Accella Submersible Powerhead/Pump FREE! JBJ Automatic Top Off System Tired of lifting heavy buckets to refill sumps or tanks due to evaporation? There is finally a ...

$118.49 $79.99
CoolWorks Ice Probe with Power Supply

CoolWorks Ice Probe with Power Supply

Feature(s): Efficient: converts electricity directly into cooling power Reliable: the fan is the only moving part Easy to Install: one hole, one nut Safe low voltage operation Environmentally Friendly: no gasses o...

$122.99
Neptune Systems Apex Ecotech Marine Wireless Expansion Module (WXM)

Neptune Systems Apex Ecotech Marine Wireless Expansion Module (WXM)

The Wireless Expansion module allows for truely flexible control of Ecotech Marine Vortech and EcoSmart wireless pumps. The WXM features are: Wirelessly controls any of Ecotech`s wireless pumps (WWD or EcoSmart ). 11 Inde...

$124.95
AquaC Remora Hang-On Protein Skimmer

AquaC Remora Hang-On Protein Skimmer

The revolutionary AquaC protein skimmers do not use venturis, downdraft tubes, or air pumps; they employ the patented "Spray Injection System." This innovation allows the protein skimmer to efficiently draw in much more air than a...

From $159.99
Korallen-Zucht ZEObak Nutrient Additive

Korallen-Zucht ZEObak Nutrient Additive

ZEObak Nutrient Additive The value of bacteria in saltwater aquariums is one of the most underappreciated water quality parameters by aquarists. Planktonic bacteria provide corals with nutrients necessary for optimal growth and...

From $18.99
WavePoint Daylight Micro Sun LED High Output Clamp Light

WavePoint Daylight Micro Sun LED High Output Clamp Light

Wave-point High Output Micro Sun Led Clamp On Light are equipped with 8 x 1 watt Daylight led lamps. They are housed by a sleek aluminum hood with heat removal technology. The adjustable mounting arm made of durable high impact pl...

From $43.99
American Marine Pinpoint pH Monitor

American Marine Pinpoint pH Monitor

Protect your investment with American Marine Pinpoint Controllers & Monitors Using the most current technology and design, American Marine controllers and monitors have become the most respected line of digital instruments ...

$99.99
Hydor Koralia Smart Wave Pump Controller

Hydor Koralia Smart Wave Pump Controller

Smartwave is the new controller for movement and circulation pumps designed by Hydor. In nature, river and sea currents are a vital part of the natural life cycle of aquatic creatures as they promote oxygenation, transport nutrien...

$76.49
CO2 Regulators

CO2 Regulators

Deluxe Dual gauged CO2 regulator assembly includes solenoid and fine adjust needle control. CO2 Deluxe Regulator System: Perfect for calcium reactor and Freshwater Plant CO2 injection applications - It can provi...

From $149.99
Tunze Care Magnet Algae Cleaner

Tunze Care Magnet Algae Cleaner

The "Care Magnet" is a breath of fresh air in the field of aquarium pane cleaner design, consisting of an ergonomic handle and special plastic blades made of wear-resistant high performance plastic. The patented slim Care Magnet i...

From $19.56
Reef Brite Digitally Controlled Self Diagnostic Solid State Metal Halide Ballast

Reef Brite Digitally Controlled Self Diagnostic Solid State Metal Halide Ballast

This energy saving, water tight solid state metal halide ballast will provide years of maintenance-free use at an operating cost less than other ballasts. The built in microprocessor and LED indicators constantly monitor your ligh...

From $138.49
SCWD Wavemaker - Switching Current Water Director (Squid)

SCWD Wavemaker - Switching Current Water Director (Squid)

The SCWD (pronounced "squid") is a revolutionary device designed to provide alternating currents without the use of electricty. The SCWD mounts inline with 3/4" tubing, the two ports alternate the output, the bottom port is the in...

From $39.99
CO2 Cylinder

CO2 Cylinder

5-pound brushed aluminum cylinder. Made in the US. Brand new and empty. Equipped with Sherwood Cylinder Valve w/ black hand wheel. CO2 regulators and CO2 cylinders have CGA 320 fittings for USA & Canada. A CGA-320 fitting...

From $79.99
Tunze Recirculation Pump/Powerhead Silence

Tunze Recirculation Pump/Powerhead Silence

Tunze Recirculation Pump Silence The TUNZE® Silence recirculation pumps combine the advantages of modern and powerful universal pumps for saltwater and fresh-water aquariums. Very silent operation, rotor with high-performance ...

From $36.99
Hydra Aquatics BioPellet Reactor

Hydra Aquatics BioPellet Reactor

The Hydra Aquatics Biopellet Reactor is a great piece of equipment used to boost biological activity in an aquarium with the use of biopellet media. The reactor works by pushing a stream of water through an accelerator which agita...

From $115.49
Won Brothers HT Titanium Heating Element

Won Brothers HT Titanium Heating Element

All the titanium heating elements must be used with temperature controllers. Features: Heating indicator light High quality titanium element Excellent corrosion resistance Double heating tube Heavy duty grounded cabl...

From $48.99
Eheim SUBSTRAT Pro Biological Filtration Media

Eheim SUBSTRAT Pro Biological Filtration Media

SUBSTRAT PRO 0.25L: Eheim`s new superior biological media that improves and optimizes the performance of Ehfisubstrat. It is for highly active water purification with intensive biological decomposition of harmful substances. For u...

From $10.49
Fluval Sea Aquarium Water Pump

Fluval Sea Aquarium Water Pump

Fluval Sea SP2 Sump Pump delivers powerful performance to ensure outstanding water flow for sump-equipped marine systems. This high-quality, energy-efficient, magnetically-driven pump can be plumbed in or out of a sump. Rugged and...

From $144.99
Innovative Viewing Systems 4 Inch Portal w/ Scrubbing Pads for Glass & Acrylic Aquariums

Innovative Viewing Systems 4 Inch Portal w/ Scrubbing Pads for Glass & Acrylic Aquariums

Innovative Viewing Systems - The Portal A revolutionary new tool for your aquarium. The Portal allows you to enjoy the details of your fish, corals, and invertebrates like never before. Magnetically attaches to your aq...

$79.99
Hydor Koralia Magnum Pump/Powerhead

Hydor Koralia Magnum Pump/Powerhead

1650GPH/ 8W Power Consumption The new Hydor Koralia models guarantee unbelievable performance for probably the lowest power consumption of any pump on the market. Equipped with an electronic start up system, new technology roto...

From $97.99
Aqua Logic Digital Temperature Controller

Aqua Logic Digital Temperature Controller

Aqua Logic Single Stage Digital Controller - heater OR chiller up to 1/2hp LCD Electronic Temperature Controller - This device is operable from a distance of up to 400 feet and has a superior accuracy for pinpoint temperature con...

From $125.00
NextReef MR1 GFO and Carbon Filter Media Reactor

NextReef MR1 GFO and Carbon Filter Media Reactor

NextReef MR1 Media Reactor NextReef Reactors Loom Large Over the Competition! The MR1 families of Media/Substrate Reactors feature a massive 4-inch reaction chamber. The extra wide design maximizes water to media contact, incre...

$80.99
CaribSea South Seas Aquascaping Base Rock

CaribSea South Seas Aquascaping Base Rock

Top quality Phillipine base rock, clean and nicely sized from baseball to softball size South Seas Lace Rock is a great new aquascaping rock that we are excited to be offering. South Seas had much more structure than any other ...

From $33.99
101 - 125 of 457
This item is temporarily unavailable but will be back in stock soon.

Item #
Price:
Click the Add To Cart button below if you'd like to reserve this item today. Any other items included in your order will be immediately processed and shipped. We will ship this item separately as soon as it arrives. We will not charge you for this item until it ships and you will incur no additional shipping charges.

Enter your email address in the field below and click the Notify Me button if you'd like us to send you an email when this item becomes available. Although you will be immediately notified when we have stock on hand, we will not reserve any units for you; you must return to our website and place an order.

Your Email:
Just enter your email address below and we'll let you
know when the product you are looking for becomes available!

Item Code:
Price:
Your Email:
Win a $100 Gift Card Sign up to get our best deals, expert tips and a chance to win $100 to spend at Marine Depot!