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 > Clearance
MarineDepot.com Clearance Section
Show: per page
Grid View Grid List View List
Sort by:
Instant Ocean Sea Salt Mix

Instant Ocean Sea Salt Mix

Makes 25 Gallons of Saltwater Instant Ocean® Sea Salt is the most carefully formulated and universally preferred sea salt in the world. The #1 choice of hobbyists, public aquariums, and scientific research facilities, Instant ...

From $11.99
Kent Marine ProClear Freshwater Clarifier

Kent Marine ProClear Freshwater Clarifier

Murky & Cloudy Water Controller and Clarifier. Freshwater Water Conditioner. Produces and maintains crystal clear aquarium water • Safe for all freshwater fish and plants • No phosphates, nitrates, or silicates • 100% biodegr...

From $13.99
Coralife Scientific Grade Marine Salt

Coralife Scientific Grade Marine Salt

Salt mix bag makes 50 gallons of Saltwater Coralife Scientific Grade Marine Salt replicates seawater chemistry in all its complexity. Micro-processing ensures that every bag or bucket contains a uniform blend of the major, mi...

From $17.99
Kent Marine Reef Salt Mix

Kent Marine Reef Salt Mix

Makes 50 Gallons of Saltwater New Reef Formula! More Calcium, Magnesium and Strontium Kent Marine Sea Salt provides the essentials to simulate a natural seawater environment. Formulated using fine grain salt to dissolve easi...

From $14.99
E.S.V. B-Ionic Seawater System Salt Mix w/ Measuring Supplies

E.S.V. B-Ionic Seawater System Salt Mix w/ Measuring Supplies

E.S.V. B-Ionic Seawater System Salt Mix - Makes 25 Gallons of Saltwater A unique solution to many of the problems associated with all dry synthetic seawater blends. Problem: All dry blends may not be homogenous resulting in c...

From $21.49
Seachem Laboratories Reef Salt

Seachem Laboratories Reef Salt

Makes 50 Gallons of Saltwater Seachem’s Reef Salt™ is a chemically sound blend of salts designed to replicate natural reef waters. It is specifically formulated for the reef environment and will provide ideal seawater concent...

From $22.99
Cobalt Aquatics Accu-Therm Aquarium Heater

Cobalt Aquatics Accu-Therm Aquarium Heater

Cobalt Aquatics Accu-Therm 25 Watt Aquarium Heater Features Fully submersible heater Easy temperature setting Computer tested, accurate ±2°F Triac equipped thermostat Borsilicate glass for superior heat and shock res...

From $22.09
Marc Weiss Organics Algae Magic

Marc Weiss Organics Algae Magic

Stimulates oxygenation which eliminates the food sources for nuisance algae. Enhances clarity of the tank by eliminating the food sources for nuisance algae blooms (including green hair, brown diatom and red slime) Not har...

From $14.99
Marc Weiss Coral Vital

Marc Weiss Coral Vital

"The Reef Life Energizer" Accelerates growth of coralline algae Corals "Open Up" Color enhancer Promotes coral polyp regeneration and reproduction Aids damaged corals Removes bio-mass The purpose of Coral Vital is...

From $14.99
Eheim Filter Pads for 2226/2228 (also for 2026/2028/2126/2128) Canister Filter

Eheim Filter Pads for 2226/2228 (also for 2026/2028/2126/2128) Canister Filter

Filter Pads for Eheim Professionel External Filter 2226/2228 (also for 2226/2228/2026/2028/2126/2128)

$14.89
UVL T5 V-HO Red Sun Bulb 633NM

UVL T5 V-HO Red Sun Bulb 633NM

Features: Length (including pins): 22 1/4” 633nm The lamp is bright red in appearance and should be used as a supplement lamp. Perfect supplemental addition for enhancing reds, yellows and orange colors. It will grow plan...

From $19.99
Eheim Filter Pads for 2222/2224 Canister Filter

Eheim Filter Pads for 2222/2224 Canister Filter

Filter Pads for Eheim Professionel External Filter 2222/2224

$13.99
Easy-Life Excital Cyano Stain Remover (Saltwater Only)

Easy-Life Excital Cyano Stain Remover (Saltwater Only)

Excital displaces red slime algae (Cyano sp.) by stimulating the growth of specific micro-organisms in light-sensitive places in the aquarium. Excital Red Algae Control Excital displaces red slime algae (Cyano sp.) by st...

From $15.49
18 Watt Power Compact Fluorescent Light Bulbs

18 Watt Power Compact Fluorescent Light Bulbs

Model: 18W Length: 9" Color: Blue (Actinic 03) Bulb Replacement Guide Bulb Types Life of Bulb* Normal Output Fluorescent 6-12 months Very High Output (VHO) ...

From $13.56
Aqua Vision Aquatics Phosphate Solution - 1 oz

Aqua Vision Aquatics Phosphate Solution - 1 oz

Use Phosphate Solution for the management of phosphate levels in saltwater and fresh water aquariums. Phosphate Solution will remove phosphates from aquarium water; continued use of the product will improve vitality, color and gro...

$23.99
Cobalt Aquatics Mini -Therm Aquarium Heater

Cobalt Aquatics Mini -Therm Aquarium Heater

The all new Cobalt Aquatics MINI-Therm compact and fully submersible heaters feature a constant ON design, specifically for small aquariums up to 1.2 gallons (4.5L). The heater casing is made from a thermal-plastic polymer that...

From $16.49
EHFISYNTH Filter Pads for 2226/2228 (also for 2026/2028/2126/2128) Canister Filter

EHFISYNTH Filter Pads for 2226/2228 (also for 2026/2028/2126/2128) Canister Filter

EHFISYNTH Filter Pads for Eheim Professionel External Filter 2226/2228 (also for 2026/2028/2126/2128). Includes 3 pads per pack.

$16.99
Continuum Aquatics Reef-Basis Potassium Dry Form

Continuum Aquatics Reef-Basis Potassium Dry Form

Reef•Basis Potassium Description: Dry Potassium Supplement for Marine Aquariums Features: • Provides bioavailable potassium for corals and other invertebrates • Phosphate, Nitrate & Silicate Free • Contains no ace...

From $8.39
Eheim Prefilter for Wet/ Dry Filter 2227/2229

Eheim Prefilter for Wet/ Dry Filter 2227/2229

Prefilter for Eheim Professionel Wet/Dry Filter 2227/2229

$11.49
Continuum Aquatics Reef-Basis Calcium Dry Form

Continuum Aquatics Reef-Basis Calcium Dry Form

Reef•Basis Calcium Description: Dry Calcium Supplement for Marine Aquariums Features: • Provides bioavailable calcium for corals and other invertebrates • Phosphate, Nitrate & Silicate Free • Contains no acetates, gl...

From $7.79
Prodibio STOP AMMO

Prodibio STOP AMMO

Ammonium is very toxic in an aquarium, especially when the pH level exceeds 7.5. It is the cause of nitrite surges and the cause of stress, immunity deficiency and damage to the gills. STOP AMMO made from natural plant extracts, ...

From $21.99
The Successful Reef Aquarium - Basics of German Reefkeeping - by Daniel Knop

The Successful Reef Aquarium - Basics of German Reefkeeping - by Daniel Knop

Reef tanks have a reputation for being complicated and expensive. This book shows that such a reputation is not necessarily deserved. As an easy-to-understand guide for the beginning aquarist, the book provides the reader with the...

$12.99
Eheim Carbon Filter Pad for 2226/2228 (also for 2026/2028/2126/2128) Canister Filter

Eheim Carbon Filter Pad for 2226/2228 (also for 2026/2028/2126/2128) Canister Filter

Carbon Filter Pad for Eheim Professionel External Filter 2226/2228 (also for 2026/2028/2126/2128)

$14.89
Continuum Aquatics Bio-Viv Garlic Concentrated Liquid Food Supplement

Continuum Aquatics Bio-Viv Garlic Concentrated Liquid Food Supplement

Bio•Viv-Garlic Description: Essential Lipid Complex for all Fishes Features: • Concentrated liquid garlic attractant for all fishes • Helps finicky eaters to get an appetite Advantages: Bio•Viv Garlic is made fr...

From $7.19
JBJ 3gal Picotope Aquarium - Replacement 9 Watt Lamp

JBJ 3gal Picotope Aquarium - Replacement 9 Watt Lamp

3 Gallon Pictope - Replacement 9 Watt Lamp 2 pin configuration Bulb length: 6.5in

$11.99
Canopy Light Reflector

Canopy Light Reflector

24" Electro-White Aluminum Reflector. 24" long, 9.25" wide with a 2" flare on each side. Please note this item requires special handling and packaging so additional shipping charges will apply. **Variations of t...

From $17.99
Continuum Aquatics Reef-Basis Reactor Liquid Aragonite Supplement

Continuum Aquatics Reef-Basis Reactor Liquid Aragonite Supplement

Reef•Basis Reactor Description: Fortified Liquid Aragonite for Marine Aquariums Features: • One step calcium buffer system • Contains suspended aragonite • Promotes Coraline Algae Growth Advantages: Reef•Basis...

From $5.69
Marc Weiss Co. Organics Combo Vital 5 oz.

Marc Weiss Co. Organics Combo Vital 5 oz.

"A synergetic mixture of SPECTRA VITAL and BLACKPOWDER" For aquariums with hard and soft coral The combination of two very popular and individually dynamic products, Spectra Vital and Black Powder provide a buffering cap...

$22.99
Continuum Aquatics Reef-Basis Calcium Concentrated Liquid Supplement

Continuum Aquatics Reef-Basis Calcium Concentrated Liquid Supplement

Reef•Basis Calcium Description: Calcium Supplement for Marine Aquariums Features: • Provides bioavailable calcium for corals and other invertebrates • Phosphate, Nitrate & Silicate Free • Contains no acetates, gluco...

From $5.99
JBJ 28 Gallon Nano Cube CF Quad and HQI - Replacement Fan (2 Pack)

JBJ 28 Gallon Nano Cube CF Quad and HQI - Replacement Fan (2 Pack)

Replacement Fan for the 28 HQI Gallon Nano Cube The MT-60-F 12volt 60x60 mm **Please Note: these fans can only fit the CF Quad and HQI 28g Cubes

$17.49
Caribsea BufferPlus 16 oz

Caribsea BufferPlus 16 oz

Caribsea BufferPlus Buffer Plus™ Still using the same old buffers? CaribSea`s Buffer Plus™ is the easy way to buffer and re-mineralize marine and reef aquariums. With both bicarbonate and time release aragonite buffer, Buffer P...

$18.49 $15.24
Sunlight Supply Lamp Shield

Sunlight Supply Lamp Shield

Sunlight Supply Shield Size: 23 Inch 4-lamp Dimensions: 22.875" x 7.875" x .118"

From $13.99
Zoo Med Micro Pump 104

Zoo Med Micro Pump 104

Flow Rate: 30-60 GPH Multi-function submersible pump. For internal or external filter applications, terrarium waterfalls, small ponds, or desktop fountains. For fresh or saltwater applications. New Feature—Pump can ...

$16.49
JBJ Submariner UV-C Replacement Quartz Sleeve

JBJ Submariner UV-C Replacement Quartz Sleeve

Replacement Quartz Sleeve for JBJ`s Submariner UV-C

$20.99
Marc Weiss Organics F.O.R.M. Liquid 16 oz.

Marc Weiss Organics F.O.R.M. Liquid 16 oz.

F.O.R.M. Funky Old Reef Mud Contains Calcium, Magnesium, Strontium, Iodine and more Utilized as needed by the life within the aquarium Provides enough basic trace elements to avoid additional chemical supplementation...

$19.99
Zoo Med Microclean 304 Internal Filter

Zoo Med Microclean 304 Internal Filter

Feature(s): Multi-function internal filters for aquariums, terrariums (i.e. turtle or amphibian tanks) or small ponds. The 304 is for 5 to 15 gallon tanks For fresh or saltwater applications. Both filters come with our Un...

$18.99 $12.99
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
LaMotte Calcium Test Kit Reagent Refill

LaMotte Calcium Test Kit Reagent Refill

LaMotte Calcium Test Kit Reagent Refill Direct reading Titrator for Calcium Hardness. Range is from 0-200 ppm for freshwater and 0-2580 ppm for saltwater. Color change is from red to blue. Approximately 50 tests. These kits ar...

$20.99
Tropic Marin Nitrate / Nitrite Test Kit

Tropic Marin Nitrate / Nitrite Test Kit

Tropic Marin Nitrite-/Nitrate Test For the determination of the nitrite and nitrate concentration in freshwater and seawater. Nitrite (NO2-) is the intermediate stage of the aerobic nitrification and is highly toxic for fish and...

$23.49
Caribsea ReefCal Ionic Calcium Solution 16oz

Caribsea ReefCal Ionic Calcium Solution 16oz

Caribsea ReefCal ReefCal is a 100,000 ppm ionic calcium solution. ReefCal will raise calcium levels by just over 5 ppm per capful (5 ml) per 25 gallons of water. Use a good quality test kit to moniter dissolved calcium levels i...

$15.49
Eheim Replacement Impeller for Compact+ 2000 (60 Hz) Aquarium Pump

Eheim Replacement Impeller for Compact+ 2000 (60 Hz) Aquarium Pump

Replacement Impeller for Eheim Compact+ 2000 (60 Hz)

$21.99
Eheim Carbon Filter Pad for 2222/2224 Canister Filter

Eheim Carbon Filter Pad for 2222/2224 Canister Filter

Carbon Filter Pad for Eheim Professionel External Filter 2222/2224

$18.99
Metal Bracket for 3-Stage RO Unit

Metal Bracket for 3-Stage RO Unit

Plastic Bracket for RO Filters—will hold two filter housings and one TFC membrane housing. **Variations of this product can be found in many online stores. The version we carry is of the highest quality. Although...

$17.49
Filter Sponge For ViaAqua 650/750 Canister Filter

Filter Sponge For ViaAqua 650/750 Canister Filter

Filter Sponge Coarse L (2PK) for ViaAqua 650 and 750 Canister filter.

$10.99
Eheim Cartridge w/ Activated Carbon for 2008

Eheim Cartridge w/ Activated Carbon for 2008

Cartridge with Activated Carbon for Eheim Internal Filter 2008. Open-cell foam cartridge, fully impregnated with special activated carbon, pH-neutral. Absorbs dissolved harmful substances, colourants, as well as residues of medici...

$24.49
Nu-Clear Canister Filter Replacement Lid

Nu-Clear Canister Filter Replacement Lid

Nu-Clear Canister Filter Replacement Filter Lid for all Nu-Clear Canister Filters

$18.99
Ocean Currents C-Stand

Ocean Currents C-Stand

Durable C-shaped plastic stand supports any Ocean Currents Wave Maker at 3-1/2" height from the base. 2-1/2" wide x 3" tall round-nosed tab also supports most small (1/2" outlet) powerheads.

$19.99
Ocean Currents Ring

Ocean Currents Ring

The ring controls shape and size of the fan-shaped flat stream outlet on the Pulser and the Rotating/Pulser. Three selectable options: 4 discreet holes in a fan shape A narrow slot A wide slot

$11.99
48IN 4X96W AND 4X130W REFLECTOR FOR MODELS 1031, 1034 & 1123

48IN 4X96W AND 4X130W REFLECTOR FOR MODELS 1031, 1034 & 1123

Replacement splash lens for Current USA light fixtures, models 1024, 1027

$24.99
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: