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
  • Options
    Reset All
  • Your Selections
  • $20-$35
    (Price)
Aquarium Supplies
Search Results for »
Show: per page
Grid View Grid List View List
Sort by:
101 - 125 of 459
True Union Swing Check Valve - FPT x FPT

True Union Swing Check Valve - FPT x FPT

True Union Swing Check Valve - 3/4 inch FPT x 3/4 inch FPT **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 ...

From $22.99
Innovative Marine 3 Stage Filter Media Pack for Pico 4, Nano 8 & 16 - Combo Pack

Innovative Marine 3 Stage Filter Media Pack for Pico 4, Nano 8 & 16 - Combo Pack

3-IN-1 COMBO Keeping your aquarium clean has never been simpler. We’ve combined 3 of the best filter media sponges to trap free floating particulate matter, remove pollutants that cause odor and discoloration, and combat phospha...

From $10.00
AquaticLife 36 Inch 39W T5HO Bulb

AquaticLife 36 Inch 39W T5HO Bulb

AquaticLife T5 HO Lamp 420/460nm Dual Actinic Visible Hue: ACTINIC/BLUE Kelvin: 420/460nm Length (including pins): 34” Application: Freshwater, Marine Fish & Corals Ideal for: Acroporas (SPS), Anemones, Clams, Hard Corals ...

From $23.84
Salifert Nitrate Test Kit

Salifert Nitrate Test Kit

Nitrate Profi-Test When there are insufficient areas of a tank which are deprived of oxygen (anaerobic zones) or denitrification is not taking place properly, nitrate will build up. This can also happen in an aquarium wher...

$25.00
AquaticLife 48 Inch 54W T5HO Bulb

AquaticLife 48 Inch 54W T5HO Bulb

AquaticLife T5 HO Lamp 420/460nm Dual Actinic Visible Hue: ACTINIC/BLUE Kelvin: 420/460nm Length (including pins): 45 3/4” Application: Freshwater, Marine Fish & Corals Ideal for: Acroporas (SPS), Anemones, Clams, Hard Cor...

From $25.85
Hanna Instruments Phosphate LR Reagent, 100 Tests

Hanna Instruments Phosphate LR Reagent, 100 Tests

Reagents for phosphate LR (low-range), ascorbic acid method. For use with Hanna Instruments Checker Phosphate Colorimeter. Range: 0.00 to 2.50 mg/L Kit for 100 Tests

$26.99
Standard Threaded Bulkhead (Schedule 80, Heavy Duty)

Standard Threaded Bulkhead (Schedule 80, Heavy Duty)

Standard Threaded Bulkhead (Schedule 80, Heavy Duty) - 1/2" Slip X 1/2" FPT Hole Size Required: 1 3/8" This bulkhead is slip on the side that is flanged (where you slip in a strainer) and threaded on the back side (where you c...

From $16.73
Current USA T5HO TruLumen Bulb

Current USA T5HO TruLumen Bulb

Optimizing T5 lamps demands a thorough understanding of lighting and phosphor technology. Current TruLumen high output T5 lamps were designed to deliver the maximum amount of lumens from the shortest possible length. The result is...

From $17.99
Red Sea Aiptasia-X Refill 14oz

Red Sea Aiptasia-X Refill 14oz

Red Sea Aiptasia-X In an exciting development for reef-keepers Red Sea has developed a unique patent pending formula to treat the pest anemones Aiptasia sp., Anemonia majano and Boloceroides sp. Affecting almost every reef aqua...

$34.99
Marineland Black Diamond Carbon

Marineland Black Diamond Carbon

Black Diamond® Black Diamond Premium Activated Carbon eliminates discoloration, odors, and impurities...and keeps on doing it long after other carbons quit. Heat-activated bituminous coal-based Black Diamond granules are spec...

From $10.99
SpectraPure® MaxCap Hi Capacity DI Cartridge

SpectraPure® MaxCap Hi Capacity DI Cartridge

DI-MC-10 The revolutionary MaxCap DI ™ cartridge has over 3 times more capacity than any other Mixed-Bed or Hi-Silica removal deionizing cartridge. When placed upstream of your existing DI cartridge, the life of your downstrea...

$28.99
BrightWell Aquatics NeoMarine Salt Mix

BrightWell Aquatics NeoMarine Salt Mix

Salt Mix Bucket makes 50 gallons of saltwater You asked for it. We delivered it. Formulated from natural seawater chemistry Mixes to 1.025 g/cm 3 Composed of ACS-and USP-grade ingredients Extensively tested for ove...

From $26.79
Brightwell Aquatics Alkalin8.3 Liquid pH Buffer

Brightwell Aquatics Alkalin8.3 Liquid pH Buffer

• Highly-effective alkalinity(KH)-increasing ("buffer") solution. • Helps increase pH stability in an aquarium by raising the alkalinity. • Provides a source of...

From $5.39
Double Threaded Bulkhead (Schedule 80, Heavy Duty)

Double Threaded Bulkhead (Schedule 80, Heavy Duty)

Double Threaded Bulkhead (Schedule 80, Heavy Duty) - 1/2" FPT X 1/2" FPT Hole Size Required: 1 3/8" **Variations of this product can be found in many online stores. The version we carry is of the highest quality. Although ...

From $17.35
JBJ Aquascraper 4-in-1 Cleaning Kit

JBJ Aquascraper 4-in-1 Cleaning Kit

JBJ introduces its versatile Aquascraper (4 in 1 cleaning kit). This clever maintenance tool eliminates the need for multiple products by offering 4 unique interchangeable attachments in 1 space saving unit. This is offered in 12...

From $16.99
Elos Aqua Test Kit - Magnesium

Elos Aqua Test Kit - Magnesium

ELOS AQUA TEST KIT- MAGNESIUM Magnesium (Mg) is present in a high quantity (1300-1350 ppm) in natural seawater. Contrary to its not only quantitative significance, this element was ignored as an important parameter of the marin...

$29.99
96W Power Compact Bulb - Straight Pin

96W Power Compact Bulb - Straight Pin

Hamilton 96W Super Actinic White PowerCompact Bulb - Straight Pin Bulb Replacement Guide Bulb Types Life of Bulb* Normal Output Fluorescent 6-12 months Ve...

From $21.95
Kent Marine Float Valve Only, Black ABS

Kent Marine Float Valve Only, Black ABS

All ABS black high density plastic. No metal parts. Will not rust in Saltwater. Rated for City Water Pressure and will mount in sump, hard plastic pond or garbage can. (Kent Marine Part No. FVKENT) The FVKENT is an all plastic fl...

$20.59
Kent Marine Super Iodide

Kent Marine Super Iodide

Description: Kent Marine Super Iodine Supplement provides bio-available iodine to reef inhabitants. Although present in salt mixes, iodine is rapidly used up in the system, and removed through protein skimming, ozone and filtrat...

From $5.55
Hydor THEO Heater

Hydor THEO Heater

Theo 50W for aquariums 5–14 gallons New aquarium heater functioning with the exclusive PTC (Positive Thermal Coefficient) technology. The Hydor Theo heater line features PTC patented thermal technology which makes it among the ...

From $24.99
Oceanic 29 Gallon BioCube - Replacement 36 Watt Lamp

Oceanic 29 Gallon BioCube - Replacement 36 Watt Lamp

Maintain healthy inhabitants in your BioCube aquarium system. Proper lighting conditions are vital for the health of such photosynthetic organisms as corals, invertebrates and plants. Since lamp spectrum and intensity decline as b...

From $23.99
PURA PhosLock GFO Phosphate Removal Media

PURA PhosLock GFO Phosphate Removal Media

Groundbreaking filtration media at the right price. For Reef, Marine, Planted, and Fresh Water aquaria! The PURA family of filtration media is formulated to reduce scum formation in fresh and marine aquaria. All PURA products ...

From $9.59
CaribSea Tropic Isle Tahitian Moon Sand 20 lb

CaribSea Tropic Isle Tahitian Moon Sand 20 lb

Accent the vibrant hues of tropical fish with this ebony Tropic Isle Sand. Can be used in fresh or saltwater tanks. Will not affect pH. Extra Fine Grade.

$20.24
Lifegard Aquatics Little Time Or Temp

Lifegard Aquatics Little Time Or Temp

Digital clock/thermometer with illuminating light. Accurate measurement of aquarium water or room temperature in F or C. Lifegard Aquatics Little Time & Temp Digital Clock and Temperature Indicator with backlit display and ba...

$21.99
Aquarium Systems Premium Maxi-Jet Utility Pump

Aquarium Systems Premium Maxi-Jet Utility Pump

Premium Maxi-Jet 400 Utility Pump New high-efficiency, flow adjustable Marine Series pumps meet the most demanding requirements of saltwater and freshwater systems. Engineered to handle the capacities of our new Deep Dimension ...

From $27.99
101 - 125 of 459
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: