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26 - 50 of 92
CaribSea Aragamax Sugar-Sized Sand 30 lb

CaribSea Aragamax Sugar-Sized Sand 30 lb

Aragamax Sugar-Sized Sand: 0.2 - 1.2mm diameter grain size. Also known as "oolitic sand," this grade is ideal for shallower bedsallowing dentrification in little 1"depth. The fine can pass easily through gills of gobys and other s...

$51.99
CaribSea Dry Aragonite Fiji Pink Reef Sand 15 lb

CaribSea Dry Aragonite Fiji Pink Reef Sand 15 lb

Fiji Pink Reef Sand: 0.5-1.0 mm diameter grain size. A gently hued aragonite, CaribSea Seaflor Pink Fiji Reef Sand is ideal for plenum systems, nitrate reduction systems and most fish and reef tanks. Helps achieve the pH of n...

$29.49
CaribSea South Seas Aquascaping Base Rock

CaribSea South Seas Aquascaping Base Rock

Top quality Phillipine base rock, clean and nicely sized from baseball to softball size South Seas Lace Rock is a great new aquascaping rock that we are excited to be offering. South Seas had much more structure than any other ...

From $33.99
CaribSea Dry Aragonite Flamingo Reef Sand 15 lb

CaribSea Dry Aragonite Flamingo Reef Sand 15 lb

Flamingo Reef Sand: 1-2 mm diameter grain size. Coralline pink highlights make this substrate colourful as well as functional. Flamingo Reef gives maximum performance in plenum-type nitrate reducing beds, or simply a reef or fish ...

$26.49
AquaMaxx Replacement Thumb Screw for Protein Skimmers, BioPellet & Media Reactors

AquaMaxx Replacement Thumb Screw for Protein Skimmers, BioPellet & Media Reactors

AquaMaxx Replacement Thumb Screw 5/16-18 x 1.0 inch Used on the following AquaMaxx Skimmers and Reactors AquaMaxx SS-3/4i Skimmer pump hold down AquaMaxx CR-1 Calcium Reactor lid AquaMaxx Hang on tank adaptor S...

From $1.29
Korallin Calcium Reactor without Pump (media not included)

Korallin Calcium Reactor without Pump (media not included)

*Eheim 1048 pump required and sold separately. The already best-selling Kalkreaktor (Calcium Reactor) in Germany has become even better. It completely replaces Kalkwasser, 1 or 2-part Calcium/Buffer powder & liquid dosing...

From $346.49
Korallen-Zucht ZEOvit ZEOmag Magnesium Granulate - 1kg

Korallen-Zucht ZEOvit ZEOmag Magnesium Granulate - 1kg

ZEOvit ZEOmag Magnesium Granulate ZEOmag is a pure magnesium granulate to be used in calcium reactors (5-15% of total media volume) to maintain magnesium levels. Magnesium is easily added without chloride and without disturbing...

$28.99
Fiji Mud Refugium Starter 12lb

Fiji Mud Refugium Starter 12lb

Fiji Mud is collected from rare mud patches, discovered by science years ago, which are found in clear uncontaminated seawater. These patches typically occur at 40 - 50 feet of cool, clear water just off the coral reef. Fiji Mud ...

$59.99
CaribSea Aragamax Oolitic Select Sand 30 lb

CaribSea Aragamax Oolitic Select Sand 30 lb

Aragamax Oolitic Select Sand:0.5-1.02 mm grain size. A Breakthrough! This uniformly graded oolitic aragonite not only provides nitrate reduction in shallower beds but also has an increase in pore water space which allows maximum d...

$60.99
Caribsea Arag-Alive Indo-Pacific Black

Caribsea Arag-Alive Indo-Pacific Black

CaribSea’s Arag-Alive!™ Only CaribSea’s Arag-Alive!™ Live Sands contains not just the broad spectrum of marine bacteria found in the ocean, but additional specially selected strains of marine bacteria as well. Arag-Alive!™ comp...

From $23.64
Tropic Marin Sea Salt

Tropic Marin Sea Salt

Makes 50 Gallons of Saltwater The Salt For The Purest Sea Water. Tropic Marin sea salt is manufactured from pharmaceutically pure salts and is based upon the most recent scientific analysis of the tropical oceans. It is fr...

From $25.99
Caribsea Rubble Zone

Caribsea Rubble Zone

The sky’s the limit for uses of this clean, high quality aragonitic rubble. For saltwater, the Rubble Zone can be used for attaching coral frags, refugiums, biological media, reef tank substructure, cryptic zones, or even jawfish ...

$23.99
Brightwell Aquatics Neo-Mag Magnesium Media For Reef Aquaria 1000g / 2.2 lbs

Brightwell Aquatics Neo-Mag Magnesium Media For Reef Aquaria 1000g / 2.2 lbs

Overview High-purity, magnesium-rich mineral that may be employed in traditional calcium reactors, or even blended in to pre-existing aquarium substratum, to gradually increase and maintain the magnesium concentration in the...

$13.65
Korallin C1502 Calcium Reactor with Eheim Pump

Korallin C1502 Calcium Reactor with Eheim Pump

Korallin C-1502—Rated for up to 400gal. Reactor height: approx. 15.75"; Diameter: 4.50"; Ground: 6.30"; Filling amount: 3 kgs (6.6lbs); Eheim 1048 Pump. The internal recirculation flow rate of the C-1502 is around 80 g/h. Since t...

From $399.49
AquaMaxx Tonga Shelf w/ Base Dry Live Rock Up To 20 inches

AquaMaxx Tonga Shelf w/ Base Dry Live Rock Up To 20 inches

AquaMaxx Tonga Shelf w/ Base rock is a 100% naturally collected from the ocean and are pieces of dead table coral. Each of the unique pieces will have a flat top with a base extending from the bottom or edge to make natural lookin...

From $39.99
Flow Control Pinch Valve

Flow Control Pinch Valve

Medical-use pinch valves for precise `dial-in` control of soft tubing. Can be used for Calcium Reactors and Kalkreaktor effluent drip control and any CO2 or O3 flow control. Since that valve is external to the tubing, they can nev...

$13.99
Fiji`s Best Saltwater Aquarium Live Rock

Fiji`s Best Saltwater Aquarium Live Rock

*Please note: Liverock is shipped once a week on Tuesdays (for delivery on Fridays). Orders for delivery in the same week must be placed by Tuesday before 12PM (Noon) PST. All orders receive after 12PM PST on Tuesday will be s...

From $139.99
AquaMaxx Tonga Branch Dry Live Rock

AquaMaxx Tonga Branch Dry Live Rock

AquaMaxx Tonga Branch rock is a 100% naturally collected from the ocean and is one of the most desired types of rock in the reef aquarium hobby. The long branching shape of the rock creates very unique and natural looking aquascap...

From $107.70
Korallin Flow Control Valve (Orange)

Korallin Flow Control Valve (Orange)

Replacement Flow Control Valve (orange valve) for Korallin Reactor

$5.99
CaribSea Mineral Mud Refugium Substrate 1 Gallon

CaribSea Mineral Mud Refugium Substrate 1 Gallon

CaribSea Mineral Mud : This is a unique blend of sediments that duplicate tropical fringing coastal mangrove environments. Mineral Mud is in a size range compatible with soft, burrowing infaunal, macro animal assemblages. Ideal fo...

$33.99
Caribsea Arag-Alive Bimini Pink 10 lb

Caribsea Arag-Alive Bimini Pink 10 lb

CaribSea’s Arag-Alive!™ Only CaribSea’s Arag-Alive!™ Live Sands contains not just the broad spectrum of marine bacteria found in the ocean, but additional specially selected strains of marine bacteria as well. Arag-Alive!™ comp...

$23.64
AquaMaxx Tonga Shelf (Flat Plates) Dry Live Rock

AquaMaxx Tonga Shelf (Flat Plates) Dry Live Rock

AquaMaxx Tonga Shelf rock is a 100% naturally collected from the ocean and is perfect for mounting corals in a reef aquarium. The flat shape makes it easy to attach frags and corals and creates a very natural looking aquascape wit...

From $89.70
Filter Pad for Korallin Reactor

Filter Pad for Korallin Reactor

Replacement Pad for Korallin Reactor

$3.49
AquaMaxx Star Calcium Reactor

AquaMaxx Star Calcium Reactor

The all-new AquaMaxx Star S-1 combines top-quality materials, a high-efficiency pump and innovative design to deliver a superb calcium reactor. Special injection design reduces wear-and-tear and extends the life of the Italian-Mad...

From $314.99
Buy CaribSea Dry Aragonite Special Grade Reef Sand 40 lb and Get API Quick Start 8 oz FREE

Buy CaribSea Dry Aragonite Special Grade Reef Sand 40 lb and Get API Quick Start 8 oz FREE

CaribSea Dry Aragonite Special Grade Reef Sand 40 lb 1.25–1.95 mm diameter grain size. A revolution in reef-keeping! This is the one you’ve been reading about in all the hobbyist publications. This grade of aragonite is specifi...

$71.99
26 - 50 of 92
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