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Marine Depot Chloramine-X GAC Carbon Filter

Marine Depot Chloramine-X GAC Carbon Filter

Our best carbon filter for Chloramine removal! More than 20 percent of municipalities use chloramine for water treatment instead of chlorine. Standard carbon block filters only treats for chlorine and will allow ammonia and o...

$15.99
Marine Depot Inline Carbon Filter - 1/4 inch FPT x 1/4 inch FPT

Marine Depot Inline Carbon Filter - 1/4 inch FPT x 1/4 inch FPT

Inline carbon filter with 1/4" FPT fittings on both ends. Designed to be used as a pre R/O filter . Granular activated carbon filter used to reduce taste, odor and chlorine taste and odor. Great for ice makers, refrigerators, bev...

$17.99
Marine Depot Color Indicating Mixed Bed DI Cartridge

Marine Depot Color Indicating Mixed Bed DI Cartridge

Deionization cartridge - Color Change Please note that these replacement cartridges are interchangeable with Marine Depot`s, Kent Marine`s, and SpectraPure`s RO or RO/DI units. We have researched the best replacement ca...

$22.99
Marine Depot RO Replacement Filter Kit

Marine Depot RO Replacement Filter Kit

Kit Includes: 1 x 1 micron dual density gradient sediment filter 1 x 1/2 micron carbon block prefilter 1 micron dual density gradient sediment filter is highly recommended due to longer life and cost effectiveness. Manufactured ...

$17.49
Marine Depot RO/DI Replacement Filter Kit

Marine Depot RO/DI Replacement Filter Kit

Kit Includes: 1 x 1 micron dual density gradient sediment filter 1 x 1/2 micron carbon block prefilter 1 x Color Indicating Mixed Bed DI Cartridge 1 micron dual density gradient sediment filter is highly recommended due to longer...

$40.49
Marine Depot Fired Ceramic Frag Station

Marine Depot Fired Ceramic Frag Station

This is a fired ceramic disk that does not need to be soaked before using. They are excellent for zoanthid growout and color up nicely in your tank.

From $17.99
Mind of a Reefer - Limited Edition T-Shirt (Small)

Mind of a Reefer - Limited Edition T-Shirt (Small)

High-quality, heavyweight 100% cotton grey short sleeve T-shirt. "Mind of a Reefer" graphic printed on chest with MarineDepot.com logo.

$19.99
Marine Depot Bulk Color-Changing Deionization Resin

Marine Depot Bulk Color-Changing Deionization Resin

Bulk Color-Change Deionization Resin. Enough to fill one refillable DI cartridge. * Make sure to pack the cartridge tightly to avoid channeling / bypass.

From $12.99
Marine Depot Hi-Silicate Removal TFC Replacement Membrane

Marine Depot Hi-Silicate Removal TFC Replacement Membrane

The key component for any reverse osmosis unit is its membrane. The membrane will determine the type of contaminants removed and how much water the unit will produce. Our Captive Purity Hi-S (High Silicate) membranes are the gold ...

From $31.99
Be A Good Host Ice Grey - Limited Edition T-Shirt

Be A Good Host Ice Grey - Limited Edition T-Shirt

High-quality, heavyweight 100% cotton short sleeve T-shirt. "Be A Good Host" graphic printed on chest with small MarineDepot.com logo.

From $19.99
Marine Depot Aquarium Refractometer

Marine Depot Aquarium Refractometer

The Refractometer is a must have for all aquarium hobbyists. The proper salinity is crucial for the survival and health of your fish and corals . This high quality refractometer is extremely accurate and easy to use and calibr...

$49.99
Marine Depot Aquarium Pro Refractometer

Marine Depot Aquarium Pro Refractometer

Designed specifically for aquarium use to measure the salinity of natural sea water (NSW). Most handheld saltwater refractometers available in the hobby are designed and calibrated for testing brine solution, i.e. sodium chlorid...

$64.99
Marine Depot Large Fired Ceramic Circular Frag Plugs

Marine Depot Large Fired Ceramic Circular Frag Plugs

This is a fired ceramic disk that does not need to be soaked before using. They are perfect for zoanthid growout and the pin keeps the disk in place on eggcrate or your sand bed. Measurements: 1/1/4" Round with 1/2" stem length

From $4.99
Marine Depot Fired Ceramic Premium Frag Plugs - 13 Pack

Marine Depot Fired Ceramic Premium Frag Plugs - 13 Pack

This is a premium fired ceramic dish with mounting hole that does not need to be soaked before using. They are perfect for zoanthid growout and the pin keeps the disk in place on eggcrate or your sand bed.

$19.99
Marine Depot Chloramine Removal Carbon Block Filter Cartridge

Marine Depot Chloramine Removal Carbon Block Filter Cartridge

More than 20 percent of municipalities use chloramine for water treatment instead of chlorine. Standard carbon block filters only treats for chlorine and will allow ammonia and other impurities to reach your aquarium. A chloramine...

$18.99
Marine Depot Small Fired Ceramic Circular Frag Plugs

Marine Depot Small Fired Ceramic Circular Frag Plugs

This is a fired ceramic disk that does not need to be soaked before using. Plugs fit into eggcrate and are excellent for frag grow out. Measurements: 3/4" Round with 1/2" stem length

From $6.99
Marine Depot Overflow Box

Marine Depot Overflow Box

High quality and economical hang-on overflow box allows you to easily add a sump, refugium or wet/dry filter to your system. U-tube design allows for easy and convenient installation. Adjustable pre-filter hight allows you to adju...

From $49.99
Float Switch w/ Magnetic Mounting Bracket for Auto Top Off

Float Switch w/ Magnetic Mounting Bracket for Auto Top Off

Marine Depot Float Switch with magnetic mounting Bracket. The float sensor is enclosed in a protective acrylic enclosure to prevent snails or debris from interfering with the sensor. ATO tube holder for tubing up to 3/8" (outside ...

$24.99
Marine Depot Auto Top Off System w/ Pump and  Magnetic Sensors

Marine Depot Auto Top Off System w/ Pump and Magnetic Sensors

Easy-to-use auto top off system that is ready to go out of the box! Includes one float sensor with magnetic mounting bracket and top-off pump. The float sensor is enclosed in a protective acrylic enclosure to prevent snails or...

From $79.99
Marine Depot Fired Ceramic Frag Cave

Marine Depot Fired Ceramic Frag Cave

This is a fired ceramic frag cave that does not need to be soaked before using. Made with removal plugs for easy coral colonizing and transfer. The caves provide a hiding place your fish and inverts will LOVE! Approximate size:...

From $22.99
Marine Depot Acclimation and Quarantine Box

Marine Depot Acclimation and Quarantine Box

Marine Depot - RF100 Acclimation and Quarantine Box Great for acclimating and quarantining newly acquired fish. Hinged top lid prevents fish from jumping out of the box. Removable front panel to allow you to easily release the ...

From $24.99
Marine Depot Fish Trap

Marine Depot Fish Trap

Features Removable feeding tube, where you can place food inside. Strong suction cups to hold the trap in place. First remove the thin plastic cover on the suction cups, loosen the suction cup`s screw, press the suction cups...

From $34.99
Marine Depot Bulk Deionization Resin

Marine Depot Bulk Deionization Resin

Bulk Deionization Resin. Enough to fill one refillable DI cartridge. * Make sure to pack the cartridge tightly to avoid channeling / bypass.

From $11.99
Coral Viewer

Coral Viewer

6" Coral Viewer / Top Down Box Surface agitation in most reef aquariums will cause the view from above the aquarium to be distorted. Using the Coral Viewer allows you to view the inhabitants of your aquarium without distortion....

From $17.99
Marine Depot Large Fired Ceramic Frag Disks

Marine Depot Large Fired Ceramic Frag Disks

This is a fired ceramic disk that does not need to be soaked before using. No post means they are easy to re-position on egg crate or your frag rack. The larger size is great for grow-out of your favorite corals. Measurement: ...

From $9.99
1 - 25 of 28
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