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
MarineDepot.com Low Price Guarantee
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:
51 - 75 of 437
Polyp Lab Reef-Roids

Polyp Lab Reef-Roids

Although originally engineered for feeding the Goniopora genus, this product has been very well received in the hobby as an excellent food source for all filter feeding corals. The particle size of Reef-roids is around 150-200 mi...

From $17.99
Kent Marine ProScraper II Glass or Acrylic Aquarium Cleaning Tool

Kent Marine ProScraper II Glass or Acrylic Aquarium Cleaning Tool

PROFESSIONAL GRADE: Handles are still made of durable fiberglass providing the proper leverage and resist corrosion for a lifetime of use. Each handle is topped off with an ergnomic grip that confortably fits in the palm of ...

From $9.49
Marineland Maxi-Jet Pro Powerhead

Marineland Maxi-Jet Pro Powerhead

The Maxi-Jet Pro is a multi-use, 3-in-1 pump. It is completely adaptable to meet different needs of internal and external functions as a power head, circulation pump or utility pump. This submersible pump is ideal for powering und...

From $19.99
Ocean Nutrition Seaweed Selects Green Marine Algae

Ocean Nutrition Seaweed Selects Green Marine Algae

Optimal food source for all species of Marine Tangs, Angels, Wrasses, Damsels, and some Butterfly Fish. Green Marine algae is a nutritious supplement for all grazing fish, rich in vitamin C, and is 100% digestible. FEEDING RECOMM...

From $4.99
D-D Giesemann Powerchrome Actinc+ T5 High Output Fluorescent Lamp

D-D Giesemann Powerchrome Actinc+ T5 High Output Fluorescent Lamp

A special 60:40 combination of deep blue and actinic wavelengths. It is specifically designed for marine aquariums mimicking deeper water. Suitable for salt water. A mixture of 40% Actinic and 60% Blue, it emits levels of actini...

From $18.99
Slip Double Union Ball Valve

Slip Double Union Ball Valve

Double Union Ball Valve - 1/2 inch Includes both 1/2" FPT and 1/2" Slip fittings. **Variations of this product can be found in many online stores. The version we carry is of the highest quality. Although this item is eligib...

From $7.49
Seachem Laboratories PhosGuard

Seachem Laboratories PhosGuard

PhosGuard is a high capacity and high efficiency filtration product for removing phosphates and silicates from marine or fresh water aquaria. Unlike competing products, PhosGuard is bead-shaped for optimum flow characteristics and...

From $5.79
Two Little Fishies AcroPower Amino Acids for SPS corals

Two Little Fishies AcroPower Amino Acids for SPS corals

Two Little Fishies` new formula supplies amino acids that corals need to build their skeletal architecture. Corals, like other cnidaria, have a special ability to uptake dissolved amino acids across their entire surface. Closed sy...

From $8.99
Innovative Marine AUQA Gadget Spin Stream - Return Nozzle

Innovative Marine AUQA Gadget Spin Stream - Return Nozzle

CATCH THE WAVE Instantly create turbulent currents that mimic natural ocean tides with the “Must Have” accessory for the NuvoAquarium. Watch as your corals naturally sway back and forth as nature intended. The SPINSTREAM effortle...

$29.99
ASM replacement Needle Wheel Impellers

ASM replacement Needle Wheel Impellers

Replacement Needle Wheel Impeller for the G-300 used on the ASM Mini-G skimmer

From $20.99
CaribSea Purple Up Coralline Algae Accelerator

CaribSea Purple Up Coralline Algae Accelerator

Purple-Up™ Purple-Up™ is a new pink and purple coralline algae accelerator. Since Purple-Up™ is not a fertilizer, it does not promote the growth of nuisance algae. How does it work? Purple-Up™ uses a unique dual method approach...

From $11.99
True Union Swing Check Valve - Slip x Slip

True Union Swing Check Valve - Slip x Slip

True Union Swing Check Valve - 1/2 inch Slip x 1/2 inch Slip **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 matchin...

From $22.99
D-D Giesemann Powerchrome AquaBlue+ T5 High Output Fluorescent Lamp

D-D Giesemann Powerchrome AquaBlue+ T5 High Output Fluorescent Lamp

A special 60/40 combination of 6000K and 22000K (approx) phosphor blend. It is specifically designed for reef aquariums mimicking sea water to a depth of one to twenty meters. It can be used for growing SPS corals up to 80cm in t...

From $21.99
Caribsea Arag-Alive Special Grade Reef Sand

Caribsea Arag-Alive Special Grade Reef Sand

CaribSea’s Arag-Alive!™ Only CaribSea’s Arag-Alive!™ Live Sands contains not just the broad spectrum of marine bacteria found in the ocean, but additional specially selected strains of marine bacteria as well. Arag-Alive!™ comp...

From $13.99
UVL VHO Super Actinic Bulb

UVL VHO Super Actinic Bulb

Super Actinic R is the most widely used aquarium lamp on the market. 100% blue spectrum. 180° internal reflector allows 40% more light output. Great for reef applications and coral enhancement. Super Actinic R (420nm peak) = 100%...

From $18.49
Warner Marine ecoBAK BioPellet Filter Media

Warner Marine ecoBAK BioPellet Filter Media

Bio-Degradable Polymer filter media. Patent Pending Formulation Developed exclusively by Warner Marine Lowers levels of dissolved organics Reduces Nitrates and Phosphates Lasts up to 12 months Safe, effective and easy to u...

From $19.99
AquaMaxx Carbon One Activated Carbon Filter Media

AquaMaxx Carbon One Activated Carbon Filter Media

AquaMaxx Carbon One reduces and eliminates organic pollutants, odors and discolorations from your aquarium water. Clearer tank water allows for better light penetration into your aquarium. Carbon One is a unique activated carbon ...

From $10.99
AquaMaxx Dry Reef Rock

AquaMaxx Dry Reef Rock

AquaMaxx Dry Reef Rock is a 100% natural, eco-friendly live rock alternative that is perfect for all marine fish and reef aquarium systems. This new base rock from AquaMaxx is professionally cleaned and dried to ensure no pesky...

From $22.49
E.S.V. B-Ionic Magnesium

E.S.V. B-Ionic Magnesium

Through the chemical process known as "ion-pairing", magnesium ion concentration influences the saturation point for calcium corbonate in solution. In general, the further the magnesium concentration drops from natural seawater le...

From $12.49
SpectraPure® MaxCap DI Cartridge - Standard

SpectraPure® MaxCap DI Cartridge - Standard

DI-MC-10 SpectraPure’s MAXCAP® DI™ Replacement Cartridge is the Heart of the MAXCAP® Series of Products. When placed ahead of your existing DI cartridge, the life of your downstream DI cartridges will increase by four times or...

$29.99
H2O Life Seaweed

H2O Life Seaweed

High in protein and enriched with Vitamins A, B1, B2, B6 and K. This is the most popular type of seaweed because of it`s natural green color and it`s ability to hold together for extended periods of time in the aquarium water. Th...

From $7.99
65W Power Compact Bulb - Straight Pin

65W Power Compact Bulb - Straight Pin

UVL 65W Actinic White PowerCompact Bulb - Straight Pin Bulb Replacement Guide Bulb Types Life of Bulb* Normal Output Fluorescent 6-12 months Very High Out...

From $18.99
Prodibio BIO DIGEST

Prodibio BIO DIGEST

BIO DIGEST is a hyper-concentrated bacterial compound that satisfies two functions: Installing biological filtration and digesting aquarium waste. Packaging the ampoules under nitrogen allows for very long conservation and makes ...

From $21.99
Seachem Laboratories Reef Plus

Seachem Laboratories Reef Plus

SeaChem Reef Plus ™ is a full spectrum reef supplement containing trace elements, vitamins, and amino acids demonstrated to have a positive impact on the growth of corals and other desirable reef creatures. Reef Plus™ is formulate...

From $6.09
Swing Check Valve - FPT x FPT

Swing Check Valve - FPT x FPT

Part #: FT9033 Description: 1/2" Clear FPT Swing Check Valve Size: 1/2" FPT x 1/2" FPT Designed to be used any place where you want to stop backflow and siphoning. These are among the highest quality check val...

From $20.99
51 - 75 of 437
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: