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Be A Good Host - Limited Edition Marine Depot T-shirt

Be A Good Host - Limited Edition Marine Depot T-shirt

Limited Edition Reef-a-Palooza 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 Fired Ceramic Square Frag Plugs

Marine Depot Fired Ceramic Square 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: 1" Square with 1/2" stem length

From $9.99
Marine Depot Fired Ceramic Micro Plugs

Marine Depot Fired Ceramic Micro Plugs

This is a fired ceramic plug that does not need to be soaked before using. Plugs fit into eggcrate and most frag racks and are excellent for frag grow out. Great for zoanthids, palythoas and smaller SPS frags!

From $6.49
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 0.5 Micron Sediment Replacement Filter

Marine Depot 0.5 Micron Sediment Replacement Filter

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 cartridges among these three manufacturer...

$12.99
Marine Depot 1 Micron Microtec Sediment Replacement Filter

Marine Depot 1 Micron Microtec Sediment Replacement Filter

1 micron dual density gradient sediment filter—highly recommended due to longer life and cost effectiveness. Use with 1/2 micron carbon block filter  to fully prefilter water down to 1/2 micron. manufactured from 100% pu...

$3.99
0.5 Micron Carbon Block Replacement Filter for Marine Depot, SpectraPure & Kent Marine

0.5 Micron Carbon Block Replacement Filter for Marine Depot, SpectraPure & Kent Marine

1/2 micron carbon block prefilter - highly recommended replacement filter highly effective at reducing unwanted taste, odor, chlorine, fine sediments and pesticides. nominal 0.5-micron rating effective at reducing Cry...

$13.49
5 Micron Carbon Block Replacement Filter for Marine Depot and SpectraPure

5 Micron Carbon Block Replacement Filter for Marine Depot and SpectraPure

5 micron carbon block prefilter nominal 5-micron rating high dirt-holding capacity maximizes utilization of the carbon block high porosity design helps prevent the cartridge from plugging before its adsorption capacity is ...

$10.49
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 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 Ceramic Coral Frag Plug with Rock Base - 2 Pack

Marine Depot Ceramic Coral Frag Plug with Rock Base - 2 Pack

Size 3x3" ideal for sandbed soft coral growout disks can be easily removed and replaced for swapping.

$11.99
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 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
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
1 - 25 of 37
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