Great Aquariums Start Here
1-800-566-3474
    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
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
14-Day Low Price Guarantee
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
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:
2451 - 2444 of 2444
Mur-Lok® 1/2 Inch Plug-In 90 Degree Elbow

Mur-Lok® 1/2 Inch Plug-In 90 Degree Elbow

Color: White Mur-lok Part# : T0820866 Tube O.D.: 1/2" Stem: 1/2" Mur-lok fitting information Mur-lok® Polypropylene Fittings have a dual o-ring design at each tube connection, giving end users confidence in their fitting ...

$3.99
Mur-Lok® 1/2 Inch Union Tee

Mur-Lok® 1/2 Inch Union Tee

Color: White Mur-lok Part# : V0820826 Tube O.D.: 1/2" Mur-lok fitting information Mur-lok® Polypropylene Fittings have a dual o-ring design at each tube connection, giving end users confidence in their fitting connections....

$4.49
Mur-Lok® 1/4 inch Acetal Locking Clips

Mur-Lok® 1/4 inch Acetal Locking Clips

Color: Red Mur-lok Part# : Y0420009 Mur-lok fitting information Mur-lok® Polypropylene Fittings have a dual o-ring design at each tube connection, giving end users confidence in their fitting connections. All Mur-lok® f...

$0.49
Mur-Lok® 1/2 Inch Acetal Locking Clips

Mur-Lok® 1/2 Inch Acetal Locking Clips

Color: Red Mur-lok Part# : Y0820009 Mur-lok fitting information Mur-lok® Polypropylene Fittings have a dual o-ring design at each tube connection, giving end users confidence in their fitting connections. All Mur-lok® f...

$0.99
Mur-Lok® 1/2 Inch X 1/2 Inch NPTF Male Connector

Mur-Lok® 1/2 Inch X 1/2 Inch NPTF Male Connector

Color: White Mur-lok Part# : O0820816 Tube O.D.: 1/2" Thread NPTF: 1/2" Mur-lok fitting information Mur-lok® Polypropylene Fittings have a dual o-ring design at each tube connection, giving end users confidence in their f...

$3.49
2 IN. MPT LOW PROFILE STRAINER

2 IN. MPT LOW PROFILE STRAINER

Lifegard Aquatics low profile strainers are perfect for installations where space is limited. The thin profile also maximize usable space and gives it cleaner look. 2" MPT threaded fitting

$5.49
Lifegard Aquatics Power 3 High Output Triple LED Light

Lifegard Aquatics Power 3 High Output Triple LED Light

18” Power-3 LED Light designed for saltwater fish and reef systems. High output (14000K) LED’s deliver full spectrum and light intensity capable of supporting reefs. Unique design and shape of the LED focuses all light inside the ...

From $206.99
Lifegard Aquatics High Output Ultra-Slim Blue/White LED Light

Lifegard Aquatics High Output Ultra-Slim Blue/White LED Light

18” High Output Ultra Slim LED light has a low profile super slim housing. This cool-running and energy-efficient LED fixture provides excellent general-purpose lighting for freshwater or marine aquarium. High output (14000K) LED’...

From $76.99
Red Sea Potassium Pro Test Kit - Reagent Refill Kit

Red Sea Potassium Pro Test Kit - Reagent Refill Kit

Red Sea’s Potassium Pro Test Kit is a unique advanced titration test, measuring the level of potassium in your reef aquarium to a high accuracy of 3 ppm. Reagent Refill Kit Only - Includes reagents only to perform 40 aquarium w...

$27.99
Two Little Fishies Calcium Pronto

Two Little Fishies Calcium Pronto

Calcium Pronto is a fast-dissolving pure, dry calcium chloride that makes it easy and economical to rapidly raise the calcium ion concentration in aquariums. Supplemental calcium is required for reef aquariums because corals, cl...

From $14.62
Two Little Fishies KH Power

Two Little Fishies KH Power

KH Power is a fast-dissolving dry powdered blend of carbonate, bicarbonate, and borate salts designed to raise alkalinity and achieve a stable pH. After a pH of 8.3 is achieved, further additions of KH Power raise the alkalinity...

From $9.99
NextReef NXS1 Recirculating Protein Skimmer

NextReef NXS1 Recirculating Protein Skimmer

NextReef NXS1 skimmers feature a fully-sealed, recirculating design, perfect for internal or external use. That means they work as well in your sump as they do sitting next to it. It also means that they`re not picky about water...

From $625.49
Mag-float Scraper Replacement Pad/Felt - 402

Mag-float Scraper Replacement Pad/Felt - 402

Replacement Pads for the Mag-Float Scraper Magnet Cleaner (Glass) - Large (3/4 Inch - 20mm) Includes replacement scrubbing pad and outer felt.

$7.99
Hamilton Cayman Sun Pendant Mogul Metal Halide Light System

Hamilton Cayman Sun Pendant Mogul Metal Halide Light System

Accelerate your coral growth! Cayman Sun Metal Halide lighting pendants are unbeatable at increasing the growth of all corals, especially hard to keep, light demanding, SPS corals. Nothing grows SPS corals better than metal hal...

From $249.95
Hamilton Cayman Sun Pendant Mogul Metal Halide Light System w/ Electronic Ballast

Hamilton Cayman Sun Pendant Mogul Metal Halide Light System w/ Electronic Ballast

Accelerate your coral growth! Cayman Sun Metal Halide lighting pendants are unbeatable at increasing the growth of all corals, especially hard to keep, light demanding, SPS corals. Nothing grows SPS corals better than metal hal...

From $299.95
AquaMaxx Replacement Shark 5.0 Pump for ConeS CO-5, EM500 and Cone 5 Protein Skimmers

AquaMaxx Replacement Shark 5.0 Pump for ConeS CO-5, EM500 and Cone 5 Protein Skimmers

Replacment Shark 5.0 Pump for AquaMaxx ConeS CO-5, EM500 and Cone 5 Protein Skimmers

$259.99
AquaMaxx 200 Micron Nylon Monofilament Mesh Filter Sock w/ Plastic Ring

AquaMaxx 200 Micron Nylon Monofilament Mesh Filter Sock w/ Plastic Ring

7" Ring Diameter; 16.5" approx. length. Filter socks are the most convenient form of mechanical filtration. They remove excess food, detritus, organic waste, dust, and other particulates. Removing these particulates from the wa...

From $8.99
Replacement Pump for AquaMaxx ZR-2 ZEO Reactor

Replacement Pump for AquaMaxx ZR-2 ZEO Reactor

Replacement Pump for AquaMaxx ZR-2 ZEO Reactor

$97.99
ATI Sirius LED Light Fixture

ATI Sirius LED Light Fixture

Details ATI Sirius X1 LED w/Controller Product Highlights: 1. Powerful: High-quality LED’s provide the power, efficiency and control required for lighting high-end reef tanks. 2. Maximum Control: Each LED cluster feature...

From $723.49
2451 - 2444 of 2444
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:
Marine Depot Newsletter Signup
Aquariums, News & Culture
Join 100,000+ readers who receive weekly tips, videos, deals and giveaways.