Click to Verify - This site chose VeriSign SSL for secure e-commerce and confidential communications.
Security Seal
Marine Depot Live Chat Support
Pet supplies, Pet products, and Pet Accessories for your dogs, cats, birds, fish, reptiles or small pets. Pet experts are available to help you.
New Customer? Register | Sign In
Expires in 00:00:00
In-Stock! EcoTech Radion XR15w PRO LED Light
0 items
Your cart is currently empty.
View Cart Checkout
Aquarium Supplies
Search Results for Saltwater Aquarium Supplies
Show: per page
Grid View Grid List View List
Sort by:
1 - 25 of 717
Continuum Aquatics Bacter Clean-M

Continuum Aquatics Bacter Clean-M

Bacter Clean•M is a unique marine microbial culture and enzyme product, unlike any other on the market. Features : Cleans live rock, live coral stone, tank walls, and other surfaces Loosens and cleans coatings and ugly acc...

From $6.59
Red Sea Reef Foundation A Supplement (Ca/Sr)

Red Sea Reef Foundation A Supplement (Ca/Sr)

A successful coral reef aquarium depends on how well you maintain the water parameters which are the key to a stable coral environment. All of the elements found in natural seawater play a role in providing optimal water parameter...

From $7.99
Red Sea Reef Foundation B Supplement (Alk)

Red Sea Reef Foundation B Supplement (Alk)

A successful coral reef aquarium depends on how well you maintain the water parameters which are the key to a stable coral environment. All of the elements found in natural seawater play a role in providing optimal water parameter...

From $7.99
Red Sea Reef Foundation C Supplement (Mg)

Red Sea Reef Foundation C Supplement (Mg)

A successful coral reef aquarium depends on how well you maintain the water parameters which are the key to a stable coral environment. All of the elements found in natural seawater play a role in providing optimal water parameter...

From $7.99
Red Sea NO3:PO4-X Nitrate & Phosphate Reducer

Red Sea NO3:PO4-X Nitrate & Phosphate Reducer

NO3:PO4-X Contains a unique complex of carbons that are used by nutrient-reducing bacteria. Each carbon is utilized by different strains of microorganisms while maintaining the specific Carbon: Nitrogen: Phosphorus ratio required ...

From $6.99
Eheim Carbon Filter Pad Eheim Canister Filter (3 pcs)

Eheim Carbon Filter Pad Eheim Canister Filter (3 pcs)

Carbon Filter Pad for Eheim Classic External Filter 2213 (3 pcs)

From $6.99
Aqua Medic Reducing Tee

Aqua Medic Reducing Tee

Aqua Medic Reducing Tee Fitting - 12mm Reducing Tee Fittings are used for the connection of by pass filters like the Nitratreductor and the Calcium Reactor. Airline-sized tubing can be attached to the tee to feed water to your ca...

From $9.99
Aquarium Pharmaceuticals® API Crystal Bio-Chem Zorb Cartridge for SuperClean Filters

Aquarium Pharmaceuticals® API Crystal Bio-Chem Zorb Cartridge for SuperClean Filters

Replacement Crystal Bio-Chem Zorb Cartridge for API SuperClean 50 Power Filter - 3 Pack *Makes water clean and clear Features: Superior resins and activated carbon Removes debris, colors and odors Densely filled cartr...

From $9.99
AquaticLife Media Non-Woven White Pad

AquaticLife Media Non-Woven White Pad

The ideal way to add mechnical filtration to many filteres. Porous, dual-layer design allows ample water flow through the Pad as waste is collected Large Pad can easily be cut to desired size to accommodate most filters ...

From $8.49
Eheim Fine Filter Pad for Eheim Canister Filter (3 pcs)

Eheim Fine Filter Pad for Eheim Canister Filter (3 pcs)

Filter Pad for Eheim Classic External Filter 2213 (3 pcs)

From $7.19
H2O Life Spirulina/Brine/Mysis

H2O Life Spirulina/Brine/Mysis

Spirulina Brine Shrimp/Mysis This special mixture of 3 types freshly harvested shrimp, combined with Spirulina and Chlorella (2 types of phytoplankton) to provide a complete and nutritious diet for all types of aquarium fish. For...

From $5.49
AquaMaxx 200 Micron Nylon Monofilament Filter Sock

AquaMaxx 200 Micron Nylon Monofilament Filter Sock

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 water column will reduce the amount of organi...

From $9.99
San Francisco Bay Brand Freeze Dried Plankton

San Francisco Bay Brand Freeze Dried Plankton

An abundance of proteins and lipids makes these plankton ideal food supplement for invertebrates and medium to large fish. Their heavy concentration of beta carotene brings out the color of your fish. Recommended for: All Freshwa...

From $5.99
D-D AquaScape Aquarium Epoxy - 4oz

D-D AquaScape Aquarium Epoxy - 4oz

AquaScape has been specially developed in association with Milliput for use within Marine Aquariums. AquaScape cures underwater to the color of coralline algae, which makes it far more aesthetic than standard aquarium epoxy.

From $9.99
Red Sea KH Coralline Gro Supplement - 500ml

Red Sea KH Coralline Gro Supplement - 500ml

Coralline algae will grow naturally, without any special supplements in all reef systems optimized for hard corals. To promote coralline algae in fish only or soft coral aquariums the alkalinity needs to be maintained at approxima...

$9.99
Red Sea Max Media - Carbon

Red Sea Max Media - Carbon

Actively absorbs odors, organic pollutants, colors, toxic compounds and medications. Provided in a mesh bag to easily fit in the right location for the Max filtration system . Promotes fish health by creating cleaner, clearer ...

$9.99
Seachem Laboratories PhosGuard Phosphate Remover

Seachem Laboratories PhosGuard Phosphate Remover

Seachem PhosGuard Pond PhosGuard™ is a non-herbicidal, environmentally sound approach to the problem of phosphate control in ponds. It is a filter adsorbent that removes phosphates, silicates, and organic nutrients. A 2 Lit...

From $9.99
Two Little Fishies Kalkwasser

Two Little Fishies Kalkwasser

"Kalkwasser" is the German term for limewater, a saturated solution of calcium hydroxide in water. Over twenty years ago, Peter Wilkens developed and described the proper methods for administering this solution to marine aquariums...

From $9.99
NOVUS No. 3 - Heavy Scratch Remover - 8 oz.

NOVUS No. 3 - Heavy Scratch Remover - 8 oz.

NOVUS POLISHES - THE PROFESSIONAL AND EXPERT CHOICE Since NOVUS Inc. first introduced NOVUS Plastic Polishes in 1973, the number of plastic products has grown tremendously. Yet, as widely used as plastic is, many people are sti...

$9.99
Fiji Gold Coral & Live Rock Food

Fiji Gold Coral & Live Rock Food

Fiji Gold Coral and Live Rock Supplement is 100% natural calcium derived from seawater and coral reef substrate. None of the natural resources utilized in this product are derived from living coral. This product can be used effect...

From $9.99
Two Little Fishies MarineSnow Plankton Diet - 16 oz.

Two Little Fishies MarineSnow Plankton Diet - 16 oz.

TwoLittleFishies Marine Snow Plankton Diet 473 ml (16 oz.) Net Wt. 475 g. A Natural Planktonic Food for Filter Feeding Marine Invertebrates. This first of its kind product reproduces the special colloidal biogenic suspended matt...

$11.99 $9.99
Tunze Citric Acid for Cleaning Set - 110 g 0220.700

Tunze Citric Acid for Cleaning Set - 110 g 0220.700

110 g (3.8 oz.) citric acid for Cleaning Set 0220.700.

$9.99
H2O Life Fresh Krill Frozen Aquarium Food - 8oz

H2O Life Fresh Krill Frozen Aquarium Food - 8oz

Loose krill inside a zip-loc Nylon Bag

$9.99
H2O Life 36 Inch Handy Grab Aquarium Tongs

H2O Life 36 Inch Handy Grab Aquarium Tongs

Economy, light-weight and convenient reaching/gripping tool. Specifications: Overall length: 36 inches Maximum Pickup Capacity: 2 lbs.

$9.99
Suction Screen 3/4 Inch MPT x 6 Inch

Suction Screen 3/4 Inch MPT x 6 Inch

1" Suction Screen 6" Long inlet: 3/4" MPT **Variations of this product can be found in many online stores. The version we carry is of the highest quality. Although this item is eligible for price matching under our Low Price...

$9.99
1 - 25 of 717
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: