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
15% Off Additives
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 400
Buy One Get One Free - Evolution Aqua Pure 250mL

Buy One Get One Free - Evolution Aqua Pure 250mL

BUY ONE GET ONE FREE EVOLUTION AQUA PURE MARINE - 250 ML PURE Marine. Have you tried it yet? PURE Marine should be used regularly as part of your maintenance program to maintain the biological equilibrium inside your aquari...

From $14.99
Boyd Chemi-Pure Blue

Boyd Chemi-Pure Blue

A revolutionary new addition to the Chemi-pure family, Chemi-pure Blue! Chemi-pure Blue is specially created for fantastic results in reef and marine aquariums. The new proprietary blend of premium, low-dust pelletized carbo...

From $11.99
UVL Standard Super Actinic Bulb

UVL Standard 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 $14.99
AquaMaxx BioMaxx Plus BioPellets Filter Media

AquaMaxx BioMaxx Plus BioPellets Filter Media

AquaMaxx BioMaxx Plus BioPellets improve water quality for fish and other marine life in saltwater aquariums. BioMaxx Plus BioPellets initiate a more efficient denitrification process that removes nitrate and phosphate from aquari...

From $14.99
Dolphin One Star Air Pump 1-outlet, Rheostat

Dolphin One Star Air Pump 1-outlet, Rheostat

Dolphin One Star Air Pump: Tank Size: 55 gal. Number of outlets: 1 Adjustable Air Flow : w/ Rheostat  Power Consumption: 2.5W Capacity: 150 liter/hour (2.5 PSI) One star : Max CFM .09 Dimensions:...

$14.99
Brillianize Glass and Acrylic Aquarium Cleaner/Polish with Circular Knit Microfiber Polishing Cloth - 8oz

Brillianize Glass and Acrylic Aquarium Cleaner/Polish with Circular Knit Microfiber Polishing Cloth - 8oz

Brillianize Plastic and Glass Cleaning Kit with Circular Knit Microfiber Polishing Cloth America`s #1 Rated Plastic Polish Everything you need to clean, protect and shine all hard shiny surfaces. Our unique cleaning fluid contai...

$14.99
Wave Point Blue Wave Super Blue Actinic 460 T5HO Fluorescent Bulbs

Wave Point Blue Wave Super Blue Actinic 460 T5HO Fluorescent Bulbs

Feature(s): Higher Lumen per Watt Ratio Optimum Color Rendition Low Operating Temperature Length (including pins): 22 1/8" Bulb Replacement Guide Bulb Types Life of Bulb* ...

From $14.99
Lifegard Aquatics 19-1/2 inch Micron Cartridge CL-19 R172021

Lifegard Aquatics 19-1/2 inch Micron Cartridge CL-19 R172021

19 1/2" 20 Micron Cartridge CL-19 for Lifegard Aquatics AF-94 Double Inline Mechanical Filter (requires 19" standpipe)

$14.99
Pressure Gauge Only: 1/8 inch NPT

Pressure Gauge Only: 1/8 inch NPT

Pressure guage for easy troubleshooting. 1/8" NPT **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...

$14.99
Red Sea Coral Colors A Supplement (Iodine/Halogens) - 500ml

Red Sea Coral Colors A Supplement (Iodine/Halogens) - 500ml

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...

$14.99
Red Sea Coral Colors B Supplement (Potassium) - 500ml

Red Sea Coral Colors B Supplement (Potassium) - 500ml

Reef colors supplements have been formulated such that the ratio of the elements in each supplement is the same as that found in the skeleton and soft tissue of corals. Our research has identified a constant ratio between each of ...

$14.99
Red Sea Coral Colors C Supplement (Iron/Trace Elements) - 500ml

Red Sea Coral Colors C Supplement (Iron/Trace Elements) - 500ml

The Reef Colors program Provides the minor and trace elements that are taken up by the coral skeleton and soft tissue and are essential for SPS corals to display their natural colors. Reef Colors C is an Iron & complementary t...

$14.99
Red Sea Coral Colors D Supplement (Trace) - 500ml

Red Sea Coral Colors D Supplement (Trace) - 500ml

Reef Color D: A complex of 18 trace elements. These 18 elements (out of all the trace elements in NSW) participate in the metabolic processes inside a coral’s skeleton and soft tissue. D elements are related to the blue/purple chr...

$14.99
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
Salifert Boron

Salifert Boron

Why is boron required? Boron is present in NSW (Natural Sea Water) in a moderately low concentration (4.4 - 4.8 mg/L or ppm). It is present predominantly as boric acid and to a lesser extent as borate. It has several important...

From $14.99
Two Little Fishies CombiSan - 8 oz.

Two Little Fishies CombiSan - 8 oz.

TwoLittleFishies CombiSan (New updated Formula) is a bio-activator that contains all essential trace elements in special compounds easily absorbed by invertebrates, micro-organisms,marine fish. You can depend on CombiSan to replen...

$14.99
CPR Inflow Kit - 3/4 inch

CPR Inflow Kit - 3/4 inch

CPR Inflow Kit (3/4"). Four feet of 3/4" I.D. vinyl tubing, U-tube and two hoseclamps.

$14.99
Ecosystem Aquarium Reef Solution

Ecosystem Aquarium Reef Solution

Reef Solution™ is the ideal all natural, multipurpose additive created for enhancing the marine aquarium environment. Outstanding results for both reef and fish only aquariums. In reef systems, polyp extensions on corals is phenom...

From $14.99
Evolution Aqua Pure Aquarium

Evolution Aqua Pure Aquarium

PURE Aquarium (for freshwater). Have you tried it yet? Do you need an easy way to keep your aquarium crystal clear? Do you need help to maintain healthy water in your freshwater tropical aquarium? Do you need help to mature yo...

From $14.99
Maxspect Razor R420R 120 Degree White Reflector

Maxspect Razor R420R 120 Degree White Reflector

Optional 120 degree Reflector for R420R Nano, 20.5", 27" and 43.5" lighting fixtures. These new reflectors are specifically design for the Razor LED pad to increase the spread from the stock 90° to the new 120°. An ideal option...

$14.99
Bubble Magus Tube Holder

Bubble Magus Tube Holder

Tube Holder for Bubble Magus Dosing Pumps (BM-T01, BM-T02). Bracket holder can be fixed on the aquarium wall and can hold up to 4 dosing tubes. A clean and convenient way to organize your dosing channels.

$14.99
Mr. Sticky`s Underwater Glue - 30 grams 1.06oz

Mr. Sticky`s Underwater Glue - 30 grams 1.06oz

Mr. Sticky`s® Underwater Glue with Manual Mix Dispenser Mr. Sticky`s® Underwater Glue actually bonds strongly to PVC, can be easily applied and bonded underwater, and remains flexible. Mr. Sticky`s® 30 Gram Manual Syringe Syst...

$14.99
AquaticLife 18 Inch 18W T5HO Bulb

AquaticLife 18 Inch 18W T5HO Bulb

AquaticLife T5 HO Lamp 420/460nm Dual Actinic Visible Hue: ACTINIC/BLUE Kelvin: 420/460nm Length (including pins): 16 1/2” Application: Freshwater, Marine Fish & Corals Ideal for: Acroporas (SPS), Anemones, Clams, Hard Cor...

From $14.99
Hydra Aquatics Glass Hang-On Thermometer

Hydra Aquatics Glass Hang-On Thermometer

Hydra Aquatics Glass Hang-on Thermometer Hydra Aquatics glass aquarium thermometers are designed to hang on to the walls of rimless glass tanks between 3 and 8mm thick. These elegantly crafted glass thermometers are reliable, e...

From $14.99
Elos Aqua Test Kit - pH Freshwater

Elos Aqua Test Kit - pH Freshwater

ELOS AQUA TEST KIT- PH FRESHWATER The ph-value or acid value indicates how acidic or alkaline the water is. It is the measure of the concentration of the acidic or alkaline components in a hydrous solution. Pure water will reac...

$14.99
1 - 25 of 400
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: